Right before the forums went down there was a thread about an issue in bridge mode where the internet would drop out and then return. The syslog on their boxes showed snort restarting but the IPS log showed no rules firing. A member had investigated and found a rule that was causing the restart and Itus removed it but people we're still experiencing the issue so there must be more rules doing this. Anyone else have this issue? I'm still seeing this on mine.
I was experiencing this issue (kohls.com at first which was traced back to akamai if I'm not mistaken, and then it turned into seemingly random snort crashes) and have since removed the Shield from sitting between my modem and router. I still have it running to get updates and will add it back to the mix to see if I'm still having the issue later this week.
I have been working from home for the last few days due to holidays and kids out of school. Yesterday I can identify at least 3 instances when internet dropped for about 3-5 minutes and came back up, consistent with Snort restarting. I was in the middle of things yesterday, but I'll try to capture the log the next time it happens to see if there is something we can pinpoint.
I get this also, but it normally appears when I have a big continuous download or streaming a movie, but not all the time, so it appears to happen when it is under load, not at maximum, but not just low load. In looking at the logs the snort just reloads. Initially I thought maybe the device is getting too hot, so I put a fan on the device to cool it down, but it still happened so that does not appear to be the problem. Still trying to get more data to be able to determine the issue. I have all the hotfixes to 8.3
Did anyone come to any conclusions about this? my Shield is up to date (as far as march hotfix) but every few days I notice the internet drops for a few mins, when I check Shield the memory usage is high (maybe about 50-60%). Just wondering if there's any theory's? it could be a show stopper as my wife works from home and relies on a good internet connection.
This still occasionally happens, but I don't get into Shield to examine the logs to see if it burped.
Increasing the available memory and forcing a reboot after each nightly signature update has pretty much made it a non-issue for me. My wife and I also work from home frequently. If it goes down, it is back up in about a minute. Like its Snort that is restarting, not the whole system.
In the snort config did you guys do the IPS log fix (have mine set to 64k) which will slow speeds and reboot snort if it gets too big and the stream processor fix which if you are streaming a big file it will pause and restart. I have my max_queued_bytes @ 1110032 and prune_log_max @ 1168334. I last had my box on for over 90 days straight and only rebooted manually because I'm trying to work out a different bug on the network.
I Had this problem only in bridge mode, in router mode the Shield is now rock steady with the latest fixes,
I tried loads of stuff but could not get to the bottom of it, but if i left the Shield alone it seemed to behave itself but if I logged into the shield via website It would then start to restart snort at random times, but i now only us the shield in router modes and am surprised at the stuff that is coming through my virgin media router with the firewall turned on.