If you see an error message like Self2WAN ICMP Type B Detected!, it suggests you shouldn’t be concerned in the first place. Your firewall is essentially working as it should, and you are protected against any ICMP danger on your router, according to the error message in your log. But first and foremost, you are protected from a threat that attempted to gain access to your personal information. This statement in the error log indicates that a third-party attempt to access your network traffic and data has occurred, and you must take appropriate steps to ensure that this does not occur again. Here are some options for resolving the problem.
Some individuals check their router’s error log from time to time, and reading an error that indicates Self2WAN ICMP Type B Detected! can be concerning, as it could be a malware alert.
Look Into Remote Access For Self2WAN ICMP Type B Detected:
If you’re using remote access for any reason, whether it’s for official purposes, troubleshooting, or anything else, you should be careful. This may cause the router to malfunction and see this notification Self2WAN ICMP Type B Detected!. Check the time on the error log and compare it to the time you used remote access. If both times are the same, you may be confident that this was caused by the remote access you were utilizing and that no third-party intrusion attempts were made on your router or PC.
Firmware Update for Your Router
If you believe the times don’t add up or you haven’t used remote access in a while, the first thing you should do is check for firmware updates for your router. An out-of-date firmware is more likely to acquire problems like Self2WAN ICMP Type B Detected! over time, resulting in unnecessarily triggering such errors. After you’ve successfully upgraded your router’s firmware, keep an eye on the error logs to make sure the problem doesn’t reappear.
Check Your Antivirus And Firewall Settings
This issue can also be caused by an out-of-date firewall or antivirus on the devices you’re using. You must ensure that all of your antivirus software and firewalls are up to date and correctly configured. This will ensure that you don’t get any more of these issues on your router. If the issue persists after completing all of the procedures above, you should perform some further checks, such as.
Your Router Should Be Reset.
It’s also possible that your router settings or a hardware component are causing this message in your router’s error log by accident. If that’s the case, you’ll need to restore your router’s default settings, which will effectively resolve the issue. To reset your router, look for the small reset button next to the power button on the back of your router. Keep pressing it for 10-15 seconds until your router’s lights flicker again, and it’ll be as good as new.
Network Administrators Should Be Consulted.
If none of the above procedures resolve the problem of Self2WAN ICMP Type B Detected!, you should contact a network administrator who will be able to go deeper into your network and fully analyze the problem to assist you in resolving it. It’s not a major issue, but if you’re serious about it, this would be your last option.