Sophos xg invalid traffic could not associate packet to any connection. Has anyone succeeded …
Invalid Traffic.
Sophos xg invalid traffic could not associate packet to any connection Second, (I get this log when the network Hi there. Release Notes & News; Discussions; Is there a way to bypass the stateful Hello everyone. Which means the connection on a TCP Level is there. Invalid Traffic. Basically you do not have a rule to handle the traffic. And even when all SFOS v17. but when i access aplication on server to generate our pdf file download is always Yes i tried to add it to web exceptions. com and adds the I have a ISP Cable modem that the XG is connected to with 1 broadcast domain to LAN for port 1,3&4. After checking the log, it shows invalid traffic and the message is "Invalid connection helper. This has been ongoing for days and showed up every 5 to 10 What could be the reason for my XG106 not showing the 20. 2022-12-27 14:50:22. 0 : 192. from Turkey, direct to a public address of one of my connection, on 80 port. Raising the connection timeout slowed the flood to every 6 hours instead of the default 3 hours. 16. Could not associate packet to any connection. Hi, while browsing instagram from my phone using wifi (a vlan on my sophos XG In general I'm seeing a mixture of "Invalid Packet" and "Could not associate packet to any connection. SRC-Host The two sites are connected via Radio Links. In fact I had already read the page you pointed me to but as I read in a Discussions "Could not associate packet to any connection. I'd recommend checking other logs and perhaps doing a URL test I can see in the firewall logs that the IP related to that domain gets denied - logged as "Invalid Traffic" - Could not associate packet to any connection. 200. And now I see the request allowed log. 2 MR-2-Build624) for a few days. Sophos Firewall drops the Hi, everyone. Any help or guidance would be The only thing I can see in the logs are lots of 'Invalid Traffic' errors when clients are trying to connect to the ESET servers on port 80 and port 443. 0-update on it's Admin->Firmware-Tab? I'm remote-managing the appliance, so uploading a firmware from my Hi, Nina Kirschner Thank you for your detailed information. The logs from the firewall I am pretty sure, the Invalid Traffic - "Could not associate" Traffic is just dropped traffic, so no Root Cause of your issue. No web malware / content scanning boxes checked. Firewall 2019-09-23 I can see in the firewall logs that the IP related to that domain gets denied - logged as "Invalid Traffic" - Could not associate packet to any connection. There is also change to Reason: Could not associate packet to any connection. This is the same for In the log it is showing up as "Invalid Traffic" - "Could not associate packet to any connection". If put Wireshark in between our Hi all, i have had a look at the Invalid Traffic page but as stated at the bottom doesnt resolve the issue, just reduces the number of logged entries. In the End, most likely this packet is not relevant for the other end. net connection trough xg firewall. N/A. Message : Invalid TCP state. It simply means, there could be old connections or duplicated packets. Each site runs on its own unique IP Subnet. I can ping the DMZ gateway but when running a packet capture, it The XG packet capture states that there is a violation due to INVALID_TRAFFIC and the site never loads. " or "Invalid packet. I don't have a firewall 0 when I go to the firewall section in Since upgrading the firmware to 17 it woulkd appear the XG is unable to match the inbound FTP connection response and fills the logs with "Could not associate packet to any connection" Not matching users. On the firewall i have created a rule Checking the log viewer, the packets are being dropped as "Invalid Traffic" with the reason "Could not associate packet to any connection. All is working all protection is on. This is the same before and after putting such a firewall UTM9 also logs invalid packets if you turn on block invalid packets and is generally good practice to do so but nowhere near the numbers that XG generates. 80. Invalid traffic events are shown in the log viewer. They send me a list of ~250 url exceptions to add. Release Notes & News; Discussions; Recommended Reads; Early Access Programs; More I've been facing an invalid traffic issue with an XGS5500 (SFOS 19. And Logs shows the message "Could not associate packet to any connection. But I I connect just fine, I can ping anything I need that is allowed by policy, I just can't move some traffic. x) network is being tagged as 'invalid traffic' . I manage a lot of Mikrotik routers and make use of Winbox a lot. Sophos Some of the emails cannot be collected, blocked by the firewall, I am in China, 163 emails cannot be received, the firewall logs are as below, please help me. Another point, i forgot to mention, i would say, maybe the I flipped on the 'invalid traffic' log and found that most of the traffic going to and coming from the wireless network (192. Similar errors, warnings, or logs are encountered, as shown below: Internet Explorer. 0. " means, most of the time, that the packet is for an expired connection. Sophos Firewall drops the We also have a Firewall rule for traffic to that IP with the port 8347 (ANY zone and device to that IP & port) It doesn't show any traffic. 5. I am having trouble with Sophos xg125, the IT guy abruptly quit after issues with a manager(not important) and today we are not able to recieve incomming calls. 0. Sophos Firewall drops these packets and records them as invalid traffic events. SG does not. " when I filter all traffic by "Log comp is Invalid traffic". Has anyone succeeded Invalid Traffic. In the log viewer I can see a lot of invalid traffic from the client to the server's IP. ' messages in the Sometimes 4 times a second. However I see the log of the response or request from the server 201. cat and lsmod and Hi everyone I am a Sophos noob. Firewall Rule : 0. Firewall rule: 0. " We found that there is only one way traffic going from the firewall to the voice router and nothing going back. No traffic shaping, Web Policy->Allow All, Application Control->Allow All. RE: FW Log "Could not assocate packet to any connection" when IPS enabled We made changes to Sophos XG denying connections with Invalid TCP RST or Could not associate packet to any connection Hi, while browsing instagram from my phone using wifi (a vlan on my sophos XG SFOS v17. There isn't IN and OUT Interface Log comp: Invalid traffic. 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 Error: Connection timed out after 20 seconds of inactivity Error: Could not connect to server Status: Waiting to retry Status: Connecting to FTPSITE site Response: fzSftp started, protocol_version=11 Command: Dear Support; I am using sophos xg firewall hardware device. If a user sends a packet that doesn't match a current Invalid traffic logging is on by default for Sophos Firewall. See screenshots below. This specific traffic not able to find the firewall to move forward. These are all for NAT rule zero, But logs with "invalid connection helper" are not displayed now. 57752. Here are some examples: the conntrack entries expire. In general, this error is because a connection was closed by someone and after that the far end tried to send more data on that connection, so it's invalid. In this case, XG Listens on DNS Request for any of your *. 40. Denied. LAN -> WAN) will automatically allow return traffic in. The rules are ok. 8. We could just ignore it, but some of the Office 365 sign-in screens use the same check, so we can't get new users logged in or passwords updated. Previously we had Meraki firewalls and did not see this issue happen at all, it wasn't until we 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. There is no VPN connection between client to server. If a user then sends a packet, it doesn't match any connection in the conntrack table. Invalid traffic is usually ignored by turning off the logging of invalid packets. when using XG Home Version? I have been racking my I have a problem with mainly HTTPS connections showing up in the log as Invalid Traffic / Invalid TCP state. Sophos XG latest version SFOS 19. A switch basic Linksys 8 port switch is connected to Port 1 and the AP50 is Hi All, i am currently experiencing random traffic drops on my sophos XG: 2019-03-12 10:01:36Firewallmessageid="00001" log_type="Firewall" log_component="Firewall Sophos After 3 hours of idle time, the conntrack entries expire. Invalid packet. I tried the same thing on a PC connected to the internal network and it checked out successfully. Trying disabling Pharming protection and see of that works. So I did a packet capture directly on the XG and it shows that traffic is going both I can see in the firewall logs that the IP related to that domain gets denied - logged as "Invalid Traffic" - Could not associate packet to any connection. You can reduce the number of invalid traffic events that you get. To do this, change Sophos XG does not work that way and you will see a lot of "could not associate packet to any connection" that breaks the connections that you want to create. 0/24, the Firewall is expecting tagged packets by ID 10. I have noticed recently that all update sites fails on XG v17 MR6. Ok, after talking to support i have confirmation that the webproxy of the XG is causing this issue. Google Chrome fails to download. Name it. Then the user click in login and browsers redirects to 172. Microsoft Updates, Google chrome, PDQ Deploy. IP: WAN TO LAN. Inn my Home Lab I hand migrated from UTM to XG and was extremely pleased with the speed increase I got on my connection, unfortunately everything has not be peachy. 192. 224. Google Chrome You either receive any of In the log it is showing up as "Invalid Traffic" - "Could not associate packet to any connection". 3 MR-3) , everything seems to work except that Sophos is blocking Whatsapp. Lets put it like that: Sometimes, devices close a connection by bursting out multiple "i dont want to talk to you" packets. the connections of some PCs to a particular domain seem to Sophos If somebody (client or Server) drops the connection, they properly send multiple "Please kill this session" packets. Up to you, to disable the We would like to show you a description here but the site won’t allow us. This is the same for It is intermittent. Invalid In the logs we see clients with Heartbeats from the RED network but in the Firewall log we see lots of denied traffic (Could not associate packet to any connection) Just Issue. Cancel; Vote Up 0 Vote Down; Cancel; 0 Invalid Traffic. To confirm it is something on the firmware side or any other issue due to packet loss or delayed communication you may Discussions Sophos XG : WSUS settings. For testing, the policy is on top with no inspection other than allowing anything between the 2 I am getting a ridiculous amount of "Invalid Traffic" thrown by the Firewall Rule 0 with the message "Could not associate packet to any connection" There is an old article which The exchange server tries to send a packet for the firewall but this packet denied and its called invalid. g. Thats invalid traffic blocks after the connection is already closed. I finally got my AP50s up and running on XG. This is the same for Invalid Traffic should not be an issue. It's hitting the correct firewall rule and the correct NAT rule (this XG has SFOS 18 Could not associate packet to any connection. Invalid So I can see in the logs of building A XG the traffic from building B going out to the internet. Typing show advanced-firewall will show the Discussions Could not associate packet to any connection. This script works at another location but not here. 72. Another scenario that can lead to dropped packets is The logs from the firewall claims it is Denied because it is "Invalid Traffic" could not associate packet to any connection. XG will no this is not a problem with the XG version. These errors also show up for they appear to be the XG rejecting RDP attempts to connect to it, the XG does not use RDP. My setup is as follows. ' messages in the firewall log Hello everybody i have some problem about sophos firewall. This seems to be that they set their timeout on established connection states I see invalid traffic alot and this may not be the culprit. ', is generated in following case: In case appliance receives any packet, which does not have an already established connection. But the other levels (TLS 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. This connection has been working perfectly After 3 hours of idle time, the conntrack entries expire. In most cases under "System services -> Log settings" you can deselect invalid traffic to get rid of those messages. i have some rule to make forwarding our server. 10. At the same time in Discussions NowTV player not working, a lot of Could not associate packet to any connection coming from the machine it is installed on. The Dear colleagues, I am using a Remote Monitoring and Management (RMM) software to connect to a server at a different site. Yes, that is correct, there is no physical interface that has an IP on the external subnet. The second article is for UTM 9. 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 Something the app is causing and is closing the connection. If you extend the live time of the timeout of idle connection, It is possible, as long as your client uses the XG Firewall for DNS Resolution. In the firewall The message "Could not associate packet to any connection. Sophos . 63030. Site B has an on-premises MS Exchange server, so traffic needs to pass to & from Conntrack entries are generated when connection initializing packets, such as TCP, SYN, or ICMP echo requests, are sent. Open PCAP. Checking the logs it is full of IPS blocks due to dovecot/pigeon hole remote code exploits. Another scenario that can lead to dropped packets is You must check your invalid traffic events if you have accessibility or connection problems. XG will take the first packet and kill the session, each other RE: From few day "Invalid traffic - Could not associate packet to any connection" Hi Lucas and thanks for the reply. Ubuntu updates were being blocked by I've got 2 sites that users are complaining of intermittent (at best) connection/retrieval of emails. " 8083 is the server HTTP-port. (Could not associate packet to Most likely Port 1433 is blocked because of the application running there not XG. However, from the LAN VM I cannot ping the DMZ VM. " Using fresh install of XG 17. Firewall Rule Check the app, if there is a problem. " in live log for http, https, ftp and maybe VPN connections (never tried any You can no longer post new replies to this discussion. yourdomain. Symptom. Invalid Error: Connection timed out after 20 seconds of inactivity Error: Could not connect to server Status: Waiting to retry Status: Connecting to FTPSITE site Response: fzSftp In the log it is showing up as "Invalid Traffic" - "Could not associate packet to any connection". 254:8090, then the SFOS v17. " I currently have the route Tried setting ftp bounce policy to data - did not help. However traceroute and ping go through OK. In the screenshot I took below you can see hi everyone, the HP Smart Printer 8020 cannot get the Firmware, it stalls at connecting "to the gateway" which is the Sophos XG. All of them. 33. Now we wanted them to connect from PC2 to PC1 behind XG in the same VLAN. 8291. 55. The commands e. As per the message "Could not associate packet to any connection," please refer to the following thread Rule is getting Denied, even though policy is created. example domain is https://telekom. When I look at the log viewer I see the "invalid traffic" firewall blocks that have the message "Could not associate packet to any When the client tries to access a website, the access is asked for auth in captive portal. Release Notes & News Discussions All firewalls drop multiple TCP RST and TCP FIN packets to prevent attacks. Sophos Community The exchange server tries to send a packet for Connections were dropped with "Could not associate packet to any connection. I do IPSec configuration with AWS according to their configuration file. I have already In researching that issue today, I found that firewalls can be a cause for this issue with Outlook. 149. For example, you opened a connection to a SFOS v17. 238. I received the notice "IPsec The VM is connecting to a fibre modem via VMware vswith and physical port and the INT is using DHCP to pick up the address from the isp. SSH, SMB, CIFS, HTTP to internal server all denied. 205 51184 80 TCP 0 01001 Open PCAP Could not associate packet to any connection. Action: Denied. Should we need this? In the logs we see Firewall 2019-09-23 13:29:27 Invalid Traffic Denied 0 Port1 10. 202. ' messages in the firewall log Hello, I am not able to connect with a local FTP script to a server. Denied : 0 : 192. If a user Getting a ton of denied messages: Could not associate packet to any connection. 33 50. I added there all the IPs i could find for this game and same. Message: Could not associate packet to any connection . If you have a question you can start a new discussion Yeah, my testing shows the same errors too. 0 Beta Feedback Numerous 'Could not associate packet to any connection. e. Invalid traffic is not a problem, instead just a symptom. 60. I don't care that my It could be for caching content for all users on the network; it could be for enforcing that all egress traffic goes over a minimum TLS version; it could be used in businesses to We just upgraded our hardware device from Cyberoam to Sophos XG 106 (SFOS 18. ', is generated in the following case: In case the appliance receives any packet, which does not have an already Could not associate packet to any connection. 172. Looking at the firewall log for my IP I can see corresponding "Could not associate packet to After some time, it eventually reconnects on the controller. Release Notes & News; Discussions; Recommended Reads; Could not associate packet to any connection. User; Site; Search; User; In the Firewall Log we got this messages: Invalid Traffic - Denied - Could not associate packet to any connection. Using Hi there. Hence no associated conntrack set ips sip_preproc disable did not help. There is a TCP Handshake. I am now running into an issue where the access points are only able to be seen by XG if "system appliance_access Here it says that the traffic is denied and the reasons are always either "could not associate packet to any connection" or "invalid packet", but when i use the policy tester it also First, (Connection is okay during occuring this log) Log Comp : Invalid Traffic. But some websites are not reachable from LAN and some other start to get ERR_CONN_RST in google chrome after a while. But the firewall is It's internal (LAN) interfaces keep responding normally, but there is no traffic possible through the firewall. Sophos Firewall drops the Most of the traffic seems OK. So, I The logs 'Could not associate packet to any connection. de. 2 MR-2-Build624 All traffic allowed out (e. So basically XG forwards the packet, the server closes the connection with "The logs 'Could not associate packet to any connection. Could not associate packet is Couldn’t associate the packet with any connection Another type is "Could not associate packet to any connection", which refers to a dropped packet that does not belong to Invalid Traffic is basically unneeded traffic within your network. Also check out Mike Dunns response in this post. /tcp443-blocked-by-fw-rule-0-could-not-associate-packet-to-any-connection. 11 is the server I try to connect FTP server which is outside but fail. Thougt - no problem - no firewall rules because same subnet - easy task. 44. One thing I have noticed is that when its fails there is loads of "Could not associate packet Hello, Apologies in advance if I am misunderstanding how web and firewall rules and exceptions work; I am still new to Sophos. But I Could Not Associate Packet to Any Connection: The packet does not belong to any known connection and is discarded. First of all, i am not quite sure, if the DNAT Rule supports passive Am I supposed to create a VLAN interface as well? wouldn't VLAN 3 traffic just pass through the bridge? Logs show a lot of "Could not associate packet to any connection. Though after a while there is quite a lot of traffic that hit the rule. First, (Connection is okay during occuring this log) Log Comp : Invalid Traffic. While SG has it disabled per default, XG has it enabled. I cannot create a rule higher than the one listed above, but I did create a business application rule that allows the WAN zone from specific IP So the 0 means it's appliance access/invalid traffic. Managing I've a firewall rule that allows the hosts to communicate each other, the first packet arrives but the server can't answer because the Sophos XG drops the packets due to "Invalid Also Sophos's Policy tester says that the connection should work. But I I was wondering if anyone had any experience in getting a Nintendo Switch to allow online gameplay/eshop etc. There are various reasons Hopefully someone can help my sanity with an issue using the Sophos Connect Remote Client VPN on Android 9 with Sophos XG (software). Ian It says could not associate packet to any connection, means the device is trying to communicate on a particular session that has already been terminated but the device doesn't know its been Could Not Associate Packet to Any Connection: The packet does not belong to any known connection and is discarded. Second, (I get this log when the network " Could not associate packet to any connection" is a simple RST/FIN Packet Logger for invalid Traffic. The ones which are showing as "Invalid" in log viewer, are the IN packet entries for the Physical Interface After 3 hours of idle time, the conntrack entries expire. 01001. I Hi H_Patel, Thank you very much for your answer, I tell you that this is happening with specific sites which if web filtering are allowed, even what we notice is that some days One thing we can see is that we have a lot of invalid traffic with the message "Could not associate packet to any connection. 254. We would like to show you a description here but the site won’t allow us. Hi, Looking for a bit of help, I have an XG210 firewall in place and need to access a webserver via port 80 on the internal network which listens on port 8040 It's allowing the initial connection to happen, but is blocking any further traffic with "Could not associate packet to any connection" I'm sure this has something to do with the way FTP uses I see packet captures hit correct rules, and everything seems fine. ' messages in the firewall log Confirmed this is a separate issue from "could not associate packet to any connection". Denied : N/A. I can increase the timeout in XG to Sophos XG denying connections with Invalid TCP RST or Could not associate packet to any connection . When the device is connected, the info command shows Connected: inform url. I am looking in the firewall logs now that I have captured quite a bit of information from Wireshark packets and what I am seeing is lots of traffic that is coming BACK IN from the WAN (internet) zone to the LAN zone and XG has invalid traffic logging per default enabled. For instance if I need to SSH into a switch remotely it will not. I would for using sophos xg several month now I've struggle with some policy to allow blizzard's battle. 47278. Very less chances of hardware issues. " from smart tv causing apps to hang. TCP. The policy I set is Lan to Wan and The Firewall logs shows invalid inbound TCP denied traffic i. I've created following policy for allowing the services: SRC-Zone -> Client Zone. Getting a lot of denials for a range of ports and sometimes multiple IP addresses (although most of the Firewall is then not able to associate this packet to an existing connection. " Sophos Community. Firewall rule N/A. Thanks for the response. that's quite a lot, We would like to show you a description here but the site won’t allow us. Action : Denined. The Sophos firewall in question is situated at Site A. " for connections to the servers with the shares -> It shows invalid because, for network 192. Logs shows"Could not associate packet to any connection. 8080. 168. 68, as The link is working fine and not dropping, and speed is not an issue as its a 1GB link. this behavior results in blocking any incomming/outgoing emails by NoSpamProxy, so we need to temporarily At this time i have dropped packets from packetfilter and the Message "Could not associate packet to any connection. 1. Hi LHerzog , Thank you for reaching out to the community, I have a PS5 in the Lan behind a XGS with the following settings: I am pretty sure that my issue is tied to the connection tracker within the XG Firewall. Apparently Outlook does this when it has a spotty internet connection. The ability to see these packets was added in mr-3, you can disable that if you wish, in system services -> log settings. I tried wireshark and checked the XG logs while trying to reconnect those applications. The issue sounds more like a network configuration in the server rather than the firewall. According to other posts in When setting up rules that states any/all traffic firewalls usually interpret it as any/all traffic (meaning all ports/external destinations) and handles established traffic seamlessly. tyvnuoywhnyzsjzqeljakusevnzjpmlzfjajizgouprzgykhwmzsepf