Squid traffic blocked, TCP:FA

  • I upgraded to 2.2, removed squid and installed Squid3.

    None of my users can now browse http sites, and the firewall logs shows squid traffic being blocked:

    Direction=      OUT
    Protocol=      TCP:FA

    Any ideas?

  • Out of state traffic. FA is a FIN ACK, FIN meaning "end", you know, French. The state has already been ended, but the other side doesn't seem to think so, so it sends a few more to make sure the other side knows this. Not exactly sure what situation causes this, but it seems to happen a lot.

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