Sophos xg packet capture status violation. The only other way for now is to use to use FTP to .

Sophos xg packet capture status violation The only instructions I have found are to download a pcap file that was generated from the console packet capture. Firewall Rule: The service 'Valheim' is defined as: The packet captures I have been getting are as follows: (apologies for drop-packet as an image and not plain text) Any help would be greatly appreciated You can no longer post new replies to this discussion. Related information Sophos Firewall checks the data packets for conntrack entries. Once I remove one of the allowed hosts from the list, this host of course looses it's connection. 16. Hi , Thanks for reaching out to Sophos Community This is usually triggered when the spoofing is turned on. Sophos XG has the ability to capture and display actual network packet information right from the management web interface. Explanation. 50, Type UDP, Ports 4321,9898 Rule 0, Status Violation, Reason Local_ACL. Sophos Endpoint; Sophos Firewall; Sophos Firewall. Valheim Server is an IP 172. I have done the "drop packet-capture", it might as well been written in Still unable to ping anything on the inside network. I have done the following to try and get this working: SNMPv3. Check the packet capture so that we could determine what port is the return packet going to. I can ping the file server and NSLOOKUP resolves hostnames and IP address. Im just setting up my first XG (sfos v16) for a customer. 57 shown in the lists above and I have monitored at least 2 others in the GUI packet capture. And as LuCar Toni's question about the firewall rule, I just created a new rule as the very first rule with LAN/WiFi zones any source to LAN/WiFi zone any destination allow but that also doesn't work and gets no traffic. 10. 4455 : proto TCP: S Hi . This is a great tool to determine what is actually happening "on the wire". Application Our concern is that we have a lot of packet loss at the XG appliance level. 13. 49. For context I had two WAN links from same ISP i. Previously I have got round ACL violations using Device Access configuration. I've checked the traffic with drop-packet-capture, and the firewall drop his own traffic because of "IP_SPOOF". To replicate: Diagnostics -> Packet Capture (Tab) -> Display Filter (Button) -> Status (Drop down menu) "Forwarded" is instead displayed as "Fowarded" - this affects the result of the display 2025 Sophos Ltd I have a pfSense box between sophos XG firewall and the internet because I wanted to use a VPN to have all traffic going through, I have the port forwarded in pfSense to the XG firewall however the XG firewall is denying the packet, which I didn't even know was reaching the firewall until I enabled the log in settings by sheer coincidence. Sophos Firewall; packet capture; Options RSS; More; Cancel; Suggested I would like to know if there is a way to output a pcap from the Packet Capture in the web session or from the TCPDUMP in the console? This feature is currently disabled in the XG firewall because of security reasons. This may be required when investigating issues and should only We checked that you were not able to connect to the PBX server which is behind the VLAN1:100. The different types of mostly viewed packet status available on SonicWall are Forwarded, Generated, Consumed, Dropped, and Received. Login. This will output to the page: The date and time the Packet capture stopped. de it does not work at all on the second line This is to confirm whether the Sophos Firewall is receiving traffic on port 8443. Hello all, We have Sophos XG firewalls at our offices and I am troubleshooting an issue with access to network shares at the branch site. > 192. 0-20. Further to this, I was able to reproduce it again and performed a packet capture. But with one device I can not connect to the Internet. Packet capture may Client: Windows 10 SFOS: SFOS 17. set_channel_width [Wi-Fi interface name] [band] [Wi-Fi band] [channel_width] [number] You can choose Wi-Fi band 2. User; Site; Search; User; Toggle Mobile menu; Community & Product Forums; Blogs; this is the packet capture. y. An other thing that might happen, is that sessions are dropped caused by Overview Packet capture may show violation for DHCP and DHCP relay traffic like the following: The following sections are covered: Explanation Related information Feedback and contact Applies to the following Sophos products and versionsSophos Firewall Explanation Even it shows violation in the Packet capture but analy Packets showing Consumed does not mean that the packets are dropped my the XG , however, the Invalid Traffic does drop the traffic and must know if the packet is necessary for the communication or not. Cancel; Vote Up 0 Vote Down; Cancel; 0 FormerMember over 3 years ago in reply to Mayuresh Bhagwat. Note: Closing the Endpoint I create a forward rule for traffic on a particular port to an ip address. XG Firewall Features Sophos XG Firewall Product Highlights Ì Innovative next-gen firewall user experience with interactive control center and streamlined workflows Ì Optimized 2-clicks-to-anywhere navigation* Ì Firewall rule Control Center widget monitors firewall rule activity for business, user and network policies and Packet capture Aug 16, 2023. In the Packet Capture i can see that the Traffic is dropped by LOCAL ACL. Enter BPF string: Specify a Berkeley Packet Filter (BPF) string. pcap", where Port1 is the Hardware Interface you want do to the packet capture. I disabled IP Spoof completely and the traffic was then no longer blocked. :proto ICMP: =0x0 nfqueue=100 scanflags=0 gateway_offset=0 max_session_bytes=0 drop_fix=0 ctflags=0 connid=1644026784 masterid=0 status=408 state=0 sent_pkts=N/A recv_pkts=N/A sent_bytes=N/A recv_bytes=N/A "Sophos Firewall checks the data packets for conntrack entries. I now would like to export/download/save the captured data for offline analysis. All off my user are affected and they can all ping the router, but not past it. We have serval offices (Well over 30 locations) that experience printing issues when going through our Sophos XG (115/125) Firewalls. That is the primary use case. Sophos is set to responder but will initiate the request if the connection button is triggered. 10, if there is no reply packet then you may want to check from You can restrict the packet capturing to specific types of packets. Release Notes & News; Discussions; Recommended The status, buffer size, and buffer used for capturing packets is shown as follows: Trace On: Packet capture is on. 0 Sophos Firewall Architect 18. If I do a traceroute from the client at the branch to the file server, it goes to the Ok, so was trying to quickly troubleshoot a connectivity issue on my XG 135 appliance and found that when I toggle on the packet capture it immediately turns off (tried with both Firefox and Chrome with no change in behaviour) If a user sends a packet that doesn't match a current connection, Sophos Firewall logs this as an invalid traffic event. 2021-04-20 13:51:03Firewallmessageid="01001" log_type="Firewall" log_component="Invalid Traffic" log_subtype="Denied" status="Deny" con_duration="0 put it like that: Sometimes, devices close a connection by bursting out multiple "i dont want to talk to you" packets. 151. Release Notes & News; Discussions; Recommended Reads; Early Access Programs; Management APIs; More; If the packets come above the configured packet rate, Sophos Firewall declares the traffic as an ARP flood attack attempt and drops the packets. Reason. logs {log file} [lines] {number} This article will provide a brief description of different types of Packet status that can be viewed on the packet capture tool. This would fall under the Feature request. Run the command below and ask the 2. If a user sends a packet that doesn't match a current connection, Sophos Firewall logs this as an invalid traffic event. This specific traffic not able to find the firewall to move forward. Thank you. If put Wireshark in between our DEFAULT GATEWAY and the THIRD PARTY ROUTER, I do not get any packets coming from the SSL VPN network, when I try to load the HTTPS site. Related information. Log in to the command-line interface (CLI) and select 4: Device Conso le. Hi Bob, there is absolutely nothing to find in the Firewall logs regarding the . The access point includes a built-in packet capture tool. Hi everyone. Packet filter Violation Reason Firewall. We will investigate this further and do the necessary updates on the knowledge base article. What's Bridge name ? If I understand that capture, my packet is not processed by any rules, how it's possible ? Date=2020-12-11 Time=23:18:08 log_id=0103021 log_type=Firewall log_component=Loc al_ACLs log_subtype=Denied log_status=N/A log_priority=Alert duration=N Hi Brennan, Thank you for reaching out to Sophos Community. The ICMP packets never leave the firewall, they just die right there. If you select this option, Packet capture starts again from the beginning of the buffer. Ethernet Type. Can't find details anywhere. I took a packet capture and in there I can see that the packets are being blocked. Display filter allows you to set additional filtering conditions such as the type of interface, ether type, source IP address, and destination IP address. So to recap; networks are unique, non-overlapping in route table, XG can I am not familiar with the VoIP system, inherited it from another MSP. Anyone have any idea why this traffic is getting caught by the Local_ACL and how i get it to A packet capture shows a "violation" for DHCP and DHCP relay traffic. Sophos Firewall drops these packets and records them as invalid traffic events. 204. Currently all of the VLANs (except the test network) are configured on the Sophos and I am able to ping the devices from the Sophos. Related information Recreate the issue to capture packets. Cancel; Vote Up 0 Vote Down; Cancel; 0 rfcat_vk over 3 The auto-generated packets by the Sophos of site A destined for site B are automatically sent through the gateway of Network B (Backup). :proto ICMP: =0x0 nfqueue=100 scanflags=0 gateway_offset=0 max_session_bytes=0 drop_fix=0 ctflags=0 connid=1644026784 masterid=0 status=408 state=0 sent_pkts=N/A recv_pkts=N/A sent_bytes=N/A recv_bytes=N/A Example result of the command: drop-packet-capture 'proto ICMP' 2024-12-12 10:44:59 0182025 IP 192. Primary use for an XG would be packet capture and analysis. I've added the DHCP relay to the VLAN port and pointed to the DHCP server. From Sophos, select the red Icon -> 'Ok' to initiate the connection. This tool can capture all LAN or WLAN network traffic for a specified time. Enter the details as follows: Hello, You can use "tcpdump -i Port1 -w file. One examle is VLAN lag0. 0 Packet Capture still shows traffic matching rule 23, which I am trying to exclude from the view. The EU uses Sophos Central to disable the ability to bridge interfaces. 5. X and host 8. We covers the functionality of the Log Viewer, including the different filters and common messages you may encounter. These fields include connection details and details of policies applied to the This guide is intended to cover examples of basic SMTP MTA deployment and FAQs related to the Sophos Firewall MTA. You want to use SFOS as a upstream relay, right? I would not design anything like that - Use your email server for this kind of approach in any case. tcpdump: verbose output suppressed, use -v or -vv for full protocol decode Good Day, I'm trying to set up a port forward (RDP) from my WAN interface to a device on my LAN. I can't connect in any way. 2017-03-11 10:22:32 0102021 IP 10. Site; User; Discussions violation reason: USER_IDENTITY issue. None. Hello, Sometimes sophos drops all packages to a random user (not everyone) for 1-2 minutes and after 1 minute it stop dropping, internet start working fine. the inbound packets are rejected with status Violation I did that. 2020-01-29 03:00:44 0103021 IP x. The packet capture on the firewall from Diagnostics > Packet Capture would help you determine if the traffic is routed to an IPsec tunnel or not. Have just migrated all rules from a pfSense and everything has gone great (some minor problems) The customer has a cisco router located at their office that is tunneling to an external partners network. Primary and secondary sophos link. Mehr Informationen zum Packet Flow der Sophos Fire The XG Series hardware appliances will reach end-of-life (EOL) on March 31, 2025. Conntrack entries are generated when connection initializing packets are sent, for example, TCP, SYN, or ICMP echo requests. We could see the GUI PCAP and in that, it's showing the violation and the Once the capture filter is configured, you can start capturing packets by turning the packet capture ON. I have searched and searched and cannot find a reason code definition doc anywhere. Added the any/any and they connected, so I was looking at packet capture to narrow down what that well defined zone to zone rule needed. 64048 : proto UDP: packet len: 648 checksum : 61834 You can restrict the packet capturing to specific types of packets. Enter the details as follows: Unfortunately in the log I've seen that the traffic is using the rule but when I analyze traffic using XG Cli (drop-packet-capture) I've always seen some entries like this: 2017-02-05 13:26:10 0102021 IP X. 90. So just ignore that violation message. 4 MR-4) to an UTM (client, Software version 9. Now secondary link is down however the secondary link is set such that it will only be active when primary is down . Please use the below BPF string to get the correct packet capture output. Conntrack entries are generated when connection initializing packets, such as TCP, SYN, or ICMP echo requests, are sent. 0. Can you please help me in this case? Thanks in advance, I have configured my XG for SSL remote access I configured all the needed settings as below but the traffic is dropped with status violation. Ports[src,dst] Rule ID. 0 Sophos Firewall Technician 18. I have issue with my Sophos XG firewall. The Gateway status is always in red, indicating it is down: Before going more into detail, I want to present the network diagram to make things easier: Please make sure that the firewall rule for the VPN connection is allowing port 9000 and take tcpdump and drop packet capture on the port number of IP addresses. The "violation" message can be ignored. 168. However, as per drop packet capture you have shared, apart from FIN/RST packets, SYN Packets are also getting dropped. In GUI Packet capture Screenshot (export to Excel) you can see a before and after comparison of IP Spoof enabled/disabled and see that there exist a FW rule (ID 14) for ICMP and a NAT roule is also not present. The Packet Capture on the XG GUI displays USER_IDENTITY violations when the user is trying to browse from the wired LAN after changing from wireless. If you have a question you can start a new discussion You can restrict the packet capturing to specific types of packets. The sophos is showing so many invalid logs and I don’t know what’s really the issue. What is the status when you directly ping from the XG firewall GUI or CLI? Please also check for duplicate entry. So, to enable Sophos Firewall to respond to DNS requests from the WAN, go to Network > DNS and add a static DNS host entry. Click Clear to I can PING to the IP address from a computer on the "DC-LAN" but cannot connect to a windows file share and the packet capture shows it is blocking traffic for a rule violation. Trace Off: Packet capture is off. Hi Sophos Community! I am running Sophos XG Home, SFOS 18. This is observed for traffic The packet capture on the XG shows the packets are dropped. The plan for this deployment is to use the Sophos as network device for all of the Gateways of the Network. Turn on Publish on WAN. . 1 I checked with packet capturing multiple times, that no routing issue persist. I set the xiaomi device as the source. In the log viewer and packet capture I can see, that the connection attempt is a Local_ACL violation and Message ID in log is 02002 (Local ACL traffic denied). I have some kind of problem with one of the WAN gateways on the Sophos XG Firewall. If the buffer usage exceeds 2048 KB while Packet capture is on, packet capturing stops automatically. 159. Original need. My Computer (192. You can capture wireless packets from remote access points to diagnose and troubleshoot network issues. I can ping the website fine but can't access it. 52" to capture packets on both IP addresses. Status. 0 I'd suggest you run a packet capture on the firewall from Diagnostics > Packet capture on the destination IP address and share the screenshot with us. In the Packet Capture it is showing Violation Firewall from the Source VPN device when I ping from it and when I ping from the inside device to the VPN'd PC get the same message. Wrap capture buffer once full: Select this option to continue capturing the packets even after the buffer is full. You can restrict the packet capturing to specific types of packets. Lets get the information down. MTA is most likely using SMTP Default port 25. Now my question: Do I Example result of the command: drop-packet-capture 'proto ICMP' 2024-12-12 10:44:59 0182025 IP 192. See packet capture below from both firewalls: LAN FW packet capture: I saw nothing saying firewall rules needed to be created to allow internal traffic between the VLANs on the DHCP service, but I created some - just in case - but that hasn't made any difference. I also tried adding various Any<>Any rules in the firewall config and tried (without success) to add a DHCP application to the Device Access (can't seem to find a way to add DHCP to this). Make sure you take the GUI packet capture to see whether XG is forwarding the traffic or counts it in any kind of violation. XG will allow the first packet and drop If I now watch via packet capture specifying “dst port 5353” I see lots of packets arriving from the Plug, which look like DNS type packets. Those devices appear every 1 or 2 seconds with those violations. I'd like to know: How many ports can be doing packet The Packet Capture utility packages of Sophos XG Firewall conform to the specified criteria and display the package values in different fields. To be specific, if you select the log function in the FW rule then, the logs will be logged in A packet capture shows a "violation" for DHCP and DHCP relay traffic. Determine the traffic flow via TCPDump, drop packet capture from CLI and from GUI. I'm not a networking expert but looking at the packet capture I can see the packets coming in from the external IP and the server responds on the same port: Think I'll raise a ticket with Sophos as it has to be something with the XG. Once 120 seconds passed then no more Violation and there is a NAT ID in packet capture matching the linked NAT rule's ID. Given the second network is on a wireless, and a different subnet to the wired network, then I would recommend reconfiguring the Wireless into the WIFI zone, and then creating firewall rules to allow traffic from the LAN zone and IP range to the WAN Zone and IP Range, and a secondary rule for the reverse. 1 MR-1-Build396. MediaSoft, Inc. This requires a support team investigation via wireshark packet capture. In a new Putty session/window now go 5>3 then type cd /log and In diesem Video stellen wir euch das Diagnose Feature Packet Capture in der Sophos Firewall im Detail vor. I ran the packet capture utility in Diagnostics and found the packets with a status of Violation and the Reason is Local_ACL. Access the device via console using SSH or Telnet and Go to Option 4 . I'm very happy to switched to Sophos XG. 124. I updated that and now in the packet capture I see a firewall violation but in the firewall Here a drop-packet-capture on Wan port. Sophos XG Firewall: How to monitor dropped packets using CLI; Sophos XG Firewall: How to capture packets and download the Packet If you connect any single system directly to the LAN port of the firewall and check the status. 110. Sophos Community. Hi. Hello, kind and helpful people. However traceroute and ping go through OK. Note: Hello Folks, well i got a problem with my Synology Storage. The remote_pktcap command captures packets on access points when a packet capture is running. Sophos Firewall: Monitor dropped packets using CLI KBA-000004859 Jul 06, 2024 0 people found this article helpful. I would suggest maybe doing a packet capture from the GUI using a BPF string of a client IP address in VLAN 100 and port 443 Hello We've logged a call with Sophos support, but wanted to open this up to the community as well as it's quite urgent Our customer has a Sophos XG210 (SFOS It may be a red herring, but Violation reports start appearing in My firewall is rejecting packets as seen from the picture. Downloading packet capture from GUI isn’t possible. This will output to the page: The date and time the Packet capture started. I have replied to your DM as well :) I have been trying and failing to get SNMP monitoring working for my Sophos XG firewall using PRTG. Go to a web browser and download the packet capture file from the following path: https://<UTM IP:Port>/tcpdump. The rule migrated from V18 MR4 isn't functioning, and neither What I've noticed is that since switching the VPN from policy to route, I'm unable to ping the XG from the other side of the tunnel. pcap; Go back to the Advanced Shell of the UTM and then run the following command. Can you please post a packet capture snapshot? Check packet flow in CLI as well Thank you for reaching out to Sophos Community. 5GHz or 5GHz. Product and Environment Sophos Firewall - All supported versions Resolution Analyze the DHCP traffic via Wireshark and you will see that Sophos Firewall still forwards the DHCP packets to the clients and servers. Communication over the bridge was possible. 0 and gateway as XG Firewall However I get Status as "Violation" with Reason as "Invalid Traffic" for the ACK. 2. 10, DMZ). Since you mentioned setting up a community, it seems you might be using SNMPv2. When printing, the printer You could try to check a packet capture of such a job, if Use drop-packet-capture commands to monitor dropped packets. Unlike firewall logs that can be turned off or configured to exclude logging of some traffic, a packet capture literally shows you every packet The drop-packet-capture logs are active logs, whether you check the log traffic function or not, they will be captured when firewall will drop the traffic for any reason. Yes, I know that exposing RDP to the cloud is a horrible practice, but I have a single use case for this Sometimes sophos drops all packages to a random user (not everyone) for 1-2 minutes and after 1 minute it stop dropping, internet start working fine. 20, LAN Zone) wants to watch a video on my Synology (192. Please try tcpdump packet capture and check DOS settings, please also check arp details in the firewall, please disable redirect ICMP. However, they seem to be being dropped because they have “Status Violation, Reason Local_ACL”. x > y. Firewall Log. I reverted back to using my router and it also doesn't work. The packet capture filter is "host 10. The LAN VM can successfully ping the DMZ firewall IP address. 70. Due to this reason both sides cannot. Recreate the issue to capture packets. Interesting to mention, both internet connections are with the same provider and run through the same router. 9 MR-9 Hello, I made the configuration for L2TP connection as described in KB Sophos. Also, log viewer under Web says access is allowed. 176. X to be the Private IP of the computer where you are running the Ping) If the XG is dropping the traffic you will see something there. The tcpdump showed 0 dropped packets so I'm at a loss here. Debugging Log File how can I see only dropped packets for a specific MAC address on a selected interface? something like this on the device console isn't working but I think it is similar. Thank you for your feedback. The Packet capture page provides a method to gather data where specific Sophos functionality is not working. 59451 > The core switch has a static route of 0. Hi Kevin, Thanks for the details and it sounds to me like your configuration should be working so something else is at play here. Release Notes & News; Discussions; Recommended Reads; Early Access Programs; Packet Capture. Go to Monitor & Analyze> Diagnostic> Packet Capture. The status, buffer size, and buffer used for capturing packets is shown as follows: Trace On: Packet capture is on. This video shows you how to identify dropped packets using the log If you select DNS as the admin service, Sophos Firewall doesn’t directly start responding to DNS requests from the WAN. You can check the Interfaces with "ip a", and over the Web UI. i am new to xg and i don't want to use command line to set /routing-to-another-gateway-on-the-same-lan-subnet-as-sophos-xg. Alternatively, you can also use the CLI. It didn't help. 200. X. 51 or host 10. I did a packet capture and there was no sign of any incoming packets. Many connections do work, but with the example of telekom. There's really only 1 zone involved - PortA8 is a LAN source, so it seems that the source and destination should both be LAN, but it looks like the XG thinks they are in different zones, although I can't find a reference to what the zone numbers correspond to. The status is "Violation" and the reason is "SSL_VPN". The app seems to freeze. You can no longer post new replies to this discussion. Site; User; Site; Search; User; Community & Product Forums. 443 : proto TCP: R 861543794:861543794(0) win 8192 checksum : When I do a Packet Capture, I can see ICMP coming from the SSL VPN client pool IP to the Voice network IP address, but under the Status column it says "Violation" and under Reason it says "SSL_VPN". In the packt Captue I have the following message: PORT: 1701 STATUS: VIOLATION REASON: LOCAL_ACL In Device Access everything is released. 142. You need to check the zones both interfaces belong to and create a firewall rule accordingly. An APX series access point acts Sophos Firewall. More resources. USA. Discussions XG330: No traffic between LAN and DMZ even if a rule is place. console > drop-packet-capture 'host X. After a couple minutes it clears its self. I don't see what is droping that packet. Enter the details as follows: Fresh Install of Sophos 3300 - The Sophos is the gateway to the local networks. Violation: If a policy violation occurs, the device drops the packet and shows this status. I am replacing an old Sonicwall with a Sophos and these phones were not connecting. here is a result extract of the drop-packet-capture command. org . The XG packet capture states that there is a violation due to INVALID_TRAFFIC and the site never loads. If i look at packet capture i get "Rule 0 violation firewall". You would see ipsec0 as an outbound interface for the traffic routed through the tunnel. You can also check at the time the issue happens the fwlog. Username. To stop the packet capture, click Stop. These packet drop could be the TCP RST or TCP FIN packets that all the firewalls drop to prevent TCP RST/FIN attack. We checked, but it’s not a network layer issue or anything else. Sophos Firewall: Monitor traffic using Packet Capture Utility; Thanks, To_Azure_XG-1{27}: INSTALLED Packet Capture. Sophos Firewall Engineer 16. 10) and if there is any reply packet coming from 10. AP > Switch > Sophos XG port LAG > bridge interface 0 br. Sophos Firewall - All supported versions. Out Interface. In Sophos Firewall web admin> Diagnostics > Packet capture, toggle off packet capture, set the Once the capture filter is configured, you can start capturing packets by turning the packet capture ON. Home; More. Switch would be required for HA deployment so if there is no change happened on switch side recently, it might be behaving similar way earlier also. It work's very good and my internet latency is very low since i switched from my old Asus Router to Sophos XG. 705-3). I am trying to do a simple port forward on a newly set up Sophos XG install and I have hit a wall. 2021-06-15 08:42:54 0103021 IP 51. Destination IP. For the XG the session has ended so it drops the packets from the webserver tcp 443 to random high port like 51234 to the client from which the connection has been started before. 42. Even it shows violation in the Packet capture but analyzing the DHCP traffic with Violation: If a policy violation occurs, the device drops the packet and shows this status. Analyze the DHCP traffic via Wireshark and you will see that Sophos Applies to the following Sophos products and versions Sophos Firewall. 20! Mabye it's worth to mention that in the log, I only can find PACKAGE DROPs. 53. Enter the details as follows: since two weeks, I use a Sophos XG as ma Home Router. So from Sophos' Upon checking on the built-in packet capture on Sophos, Status Violation is observed with the Reason Local_ACL. telnet6 dnslookup set traceroute dnslookup6 show traceroute6 drop-packet-capture system enableremote tcpdump Set the interface on Sophos Firewall to send packets from. Status is 'violation' and reason 'Local_ACL' with the IP address I need. Time. But I monitored those events also for other VLANs that are DHCP relayed over the XG and those LANs are internal VLANs. Frames are coming to the firewall, but the XG is not answering: see packet capture below (MAC address was changed for privacy reasons) console> tcpdump 'port 67 or port 68 -s0. 8. When I check packet capture, I see the filewall is dropping the packet with flag invalid traffic but doesn't really say why. 5060 > 41. However, these Packet capture Nov 11, 2024. These hosts communicate every second with a device hosted behind XG. drop-packet-capture 'host <IP address> and port not <port number>' Set the interface on Sophos Firewall to send packets from. Sophos XG Firewall: How to configure firewall as a DHCP Relay Sometimes sophos drops all packages to a random user (not everyone) for 1-2 minutes and after 1 minute it stop dropping, internet start working fine. Web Filter ID. You may submit feedback to capture comments and requests within the product itself or you may contact your Sophos partner or sales If DNAT service is accessible without any issue, it's possible that these ARP requests might be getting dropped earlier as well but not seen until packet capture is run. Buffer size: 2048 KB; Buffer used: 0 to 2048 KB; The buffer size is 2048 KB. Go to My Products > Wireless > Diagnostics > Packet Capture and set up packet capture for your access points. Use this BFP string: "host <IP address that you're pinging> and icmp" Monitor traffic using Packet Capture Utility in the Sophos XG Firewall GUI; Thanks, I have captured packets with the GUI Packet Capture Tool. In this Techvid, we show you how to identify packets dropped by Sophos Firewall. Source IP. Packet Type. The ping via the diagnostic tool work great . 1 to probe and did a packet capture. To start packet capturing, the value of the ap_debuglevel parameter must be equal to or greater than 4. There has been a bug for quite a few versions now in the Display Filter on Packet Capture, rendering one of the options unusable. In Interface. Normal gates are supported for each of the syntax such as AND/OR/NOT Why is XG wants to match user if rule doesn't? Shouldn't it just let the traffic go? You can see Rule ID 23 which is my firewall rule for these Whitelisted websites yet NAT ID is 0 and Status is Violation. e. For more information on diagnosing and troubleshooting issues, see Frequently asked questions. Firewall rule ID gets marked when traffic gets forwarded from it. Yes, I can ping the specific address from the XG diagnostics page. Hi LHerzog, upon checking, the drop-packet-capture command does not support MAC filtering. The sites are connected by VPN and the firewall rules allow all services. y" A host can be a source or destination to filter dropped traffic for a particular connection. console>drop-packet-capture 'host <dst IP> and proto ICMP. CLI (click 4 Device Console) console>tcpdump 'host <dst IP> and proto ICMP. 50. All firewalls drop multiple TCP RST and TCP FIN packets to prevent attacks. I have no cooking clue why. Thanks, Ben To begin the packet capture, click Start. Turn it OFF once you have enough packets to analyze. license_status: Shows if the license is active or not and if it's synchronized. The output location and name of the packet capture file. To validate traffic, we use packet capture to determine where the packet is passing. The capture file size limit. 50307 > 31. I checked the diagnostics-packet capture while sophos dropping my packages and i noticed that status "violation" and reason "USER_IDENTITY". Next, I need to see what is happening with the NAT rule, which is supposed to translate the alternate port UDP 6161, to the real SNMP UDP port of 161, and translate the destination IP from the WAN port, to the LAN port IP. Partners; Company; Toggle Menu. They get the IP from XG on the RED interface. I did a packet capture looking for the translated port (161) and it appears that the Sophos is blocking the packets. I wanted to connect the Sophos firewall on site A to Hi Christiaan du plessis you can confirm with drop packet capture console>drop-packet-capture 'host <source or destination IP> suspecting issue from ISP router Thanks and Regards +1 Bharat J over 2 years ago Hi there. We are not using the 'match identity' feature on the specific rule (LAN --> WAN Explicit Allow). If i check packet capture i get "Violation Local_ACL" which is exactly the same as without the rule. Click Clear to My plan is to connect a Sophos XG (running as a SSL VPN site to site server, Software version SFOS 18. - is my case similar to this one? one way pass through XG is blocked as asymmetric route. 8' (Modify the X. You can choose from the following options: Packet Capture: Captures all traffic on the LAN ports for a specified time. Then, we demonstrate the powerful Hi Esrom Lima If you are referring to the setup/scenario where Sophos Firewall is configured as an SNMP agent and you would like to change those hardcoded ports on UI then unfortunately as of we do not have any such way. But I've noticed that in the packet capture it says: Destination 224. can be any port. For more reference see Packet Capture; To figure out on which rule the traffic is passing, we did a ping test on 1. For all things Sophos related. Cancel; Vote Up 0 Vote Down; Cancel; 0 AdrianFöder over 8 years ago in reply to BAlfson. In the screenshot I took below you can see that it is allowing the ICMP traffic, but the traffic for the windows file share is a rule violation. Apparently, my Sophos XG send his packet without providing his Execute the following command " console> drop-packet-capture "host x. I’ve screenshotted the invalid traffic log in Sophos in this discussion. Kindly contact Support to have this link You can restrict the packet capturing to specific types of packets. 17. 37. Discussions Invalid traffic violation even with proper rules applied. GUI Hi David Sain. This thread was automatically locked due to age. 10) to destination(10. Sophos Certified Engineer - XG Gold Solution Partner since 2005. Enter the details as follows: Hi, while browsing instagram from my phone using wifi (a vlan on my sophos XG firewall) instagram suddenly stops loading/refreshing. The only other way for now is to use to use FTP to A packet capture shows a "violation" for DHCP and DHCP relay traffic. Add a DNS host entry; Sophos Public Address is an IP 192. You could use tcpdump or the packet capture tool (with a BPF filter for udp and port 161) to check This command is a packet capture tool that allows interception and capture of packets passing through a network interface, making it useful for understanding and troubleshooting network layer problems. Please post the Output of the Drop packets in Console. With a mentioned BFS string, you'll only be able to see the incoming packets. I see the items below repeated over and over when PACKET CAPTURE. You'll be able to see the Rule ID of a packet with 'Forwarded' status. 10 to 10. Use the Packet Capture on the GUI, please go to Monitor & Analyze >> Diagnostics >> Packet Capture >> Configure. I am trying to forward port 80 to my NAS, but so far have not been able to. I have tried a VPN to VPN any any rule, and still blocked. The rule construct is identical to a forward rule that works. 1. Specify the number of bytes to be captured per packet. Go to Diagnostics > Packet capture and click Display filter. I can ping other devices so I know the tunnel is working, I just can't ping the XG's local IP from Sophos Firewall. Even it shows violation in the Packet capture but analyzing the DHCP traffic with Wireshark shows that the XG firewall is still forwarding DHCP packet to clients and server. The corresponding firewall rule appears to be the built in "drop all" rule which is not logged. quiet: Display a summary only at start and end of the ping sequence. The details of the selected packet are displayed in the Packet Information section. x. 15. I'm trying to add Active Directory Authentication, but my firewall can't connect to my primary DC. I'd suggest you run a packet capture and drop packet capture from CLI and review it in Wireshark. Sophos to Acquire Secureworks. log. After recreating the issue, press Ctrl + C key combination to stop the packet capture. I followed the documentation and watched the DNAT portions of the video linked on the NAT RULES page. When a new packet arrives from the IP address that generated the traffic, Sophos Firewall checks whether the last packet from the same source arrived within thirty seconds. If you have a question you can start a new discussion Hi LuCar Toni,. When I run a Drop-Packet-Capture command I see "log_type=Firewall log_component=Identity log_subtype=Denied" for every entry. use drop-packet capture & tcpdump command line utilities or packet capture utility on UI Check antivirus service status from UI – [System services > Services] or from CLI by running the command below. The details of the selected packet are displayed in the A packet capture on the port shows traffic hitting FW Rule 0 and NAT rule 0, with Violation: Local_ACL as the reason. It helps monitor packet flow coming on the interface, response for each packet, packet drop, and ARP information. XG checks IP spoofing based on two conditions, Either the network ( of the source IP) should be directly connected or XG should have the routes to Could my issue be that the inbound and outbound packet is via the same interface? With regards to the LAN VM and the core switch route the core sends the packet to the LAN FW, the LAN FW sends the packet to the DMZ. The Phone server is on another vlan. When we give the Client behind the red a static IP - it work Attached are the RED & DHCP Settings Hi, presale question. It's my Gruenbeck Water softener softliQ SD21. 0 > vlan 1 br0. x or host y. Thank you! I was seeing similar issues with Facebook app on iOS not loading images - accompanied by the logs like the one discussed here. I am trying to know how to select the interface on which the packets auto-generated by the Sophos of the site A will be sent to the site B. It is blocking my access to website themoviedb. This shows port 68,67 status viaolation, reason Local_ACL. Can you please help me in this case? Thanks in advance, 10) and observe the traffic flow from source(10. If you have a case number, it is recommended to check it with Sophos Support and contact the engineer who handled the case. nqiq lckxhohk xuasemwp dehd gwysqax cuwq zwftfr kjlf tizz wwuhxff