I upgraded my installation today (installed 6.100 and imported my 5.208 config, the up2date'd to 6.102) and am now experiencing some weirdness. Most of the boxes (3 tested) on my Masq'd LAN have no problem, but one can't connect to the internet using HTTPS or POP3 (but can use HTTP and other protocols OK). It's getting an IP address from the DHCP pool just like the others and was working fine when ASL was 5.208. The connections seem to work, but then no data gets passed across them. This box can connect fine to POP3/HTTPS servers in my DMZ, and works fine when directly connected to the internet bypassing the firewall.
Also, I'm seeing connections to my mail server (in a non-NAT'd DMZ) getting dropped. I keep seeing messages like this:
Jan 7 02:44:04 mail sendmail[3536]: k071i3CD003536: to=, delay=01:00:00, pri=30000, stat=timeout waiting for input during message collect
in the server logs, as if a remote server has connected and then sent no data - again this started happening after the upgrade.
I can't see anything untoward in any of the logs on the firewall relating to the addresses in use by the mail server and LAN box.
Help!
Shaun.
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