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dovecot + ssl
Setup: Freebsd 7.2, postfix, dovecot, mutt and thunderbird.
If I use pop3 evertything is ok. If I use pop3s I cannot read any emails using thunderbird from remote. It simply says there are no messages. Using mutt locally reveals plenty of mails. I suspect this has to do with mail_location in dovecot.conf. Will this change when switching from pop3 to pop3s? Apart from that I am totally lost... Merry christmas by the way! |
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From /etc/services:
Code:
pop3s 995/tcp spop3 # pop3 protocol over TLS/SSL pop3s 995/udp spop3 # pop3 protocol over TLS/SSL
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You don't need to be a genius to debug a pf.conf firewall ruleset, you just need the guts to run tcpdump |
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There's no udp, only tcp4. Anyway, I think I need to look deeper into dovecot.conf.
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Please post that output of netstat -an -f inet Out of privacy concerns you can mangle or obfuscate the public IP address parts
Yes it is quite normal that many ports are only actually used for TCP. Although probably never used they are also reserved for UDP
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You don't need to be a genius to debug a pf.conf firewall ruleset, you just need the guts to run tcpdump Last edited by J65nko; 25th December 2009 at 12:29 PM. Reason: Remark about UDP added |
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Absolutely, here goes:
Code:
~>sudo netstat -an -f inet Active Internet connections (including servers) Proto Recv-Q Send-Q Local Address Foreign Address (state) tcp4 0 100 192.168.1.1.22 192.168.1.2.1791 ESTABLISHED tcp4 0 0 192.168.1.1.995 192.168.1.2.1679 TIME_WAIT tcp4 0 0 192.168.1.1.445 192.168.1.2.4051 ESTABLISHED tcp4 0 0 *.139 *.* LISTEN tcp4 0 0 *.445 *.* LISTEN tcp4 0 0 *.995 *.* LISTEN tcp4 0 0 *.110 *.* LISTEN tcp4 0 0 192.168.1.1.53 *.* LISTEN tcp4 0 0 127.0.0.1.53 *.* LISTEN tcp4 0 0 *.22 *.* LISTEN tcp4 0 0 *.25 *.* LISTEN tcp4 0 0 *.21 *.* LISTEN udp4 0 0 192.168.1.1.138 *.* udp4 0 0 192.168.1.1.137 *.* udp4 0 0 *.138 *.* udp4 0 0 *.137 *.* udp4 0 0 192.168.0.10.57153 85.21.78.91.123 udp4 0 0 192.168.1.1.53 *.* udp4 0 0 127.0.0.1.53 *.* udp4 0 0 *.67 *.* udp4 0 0 192.168.0.10.63240 84.2.42.31.123 udp4 0 0 192.168.0.10.60711 83.229.210.18.123 udp4 0 0 192.168.1.1.123 *.* udp4 0 0 *.5060 *.* udp4 0 0 *.514 *.* icm4 0 0 *.* *.* Last edited by J65nko; 25th December 2009 at 08:42 PM. Reason: Added code tags ;) |
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Quote:
To check whether packets are arriving on that port open up another xterm or console and start tcpdump.: Code:
# tcpdump -ni fxp0 -vv 'port 995' If they arrive, check your firewall rules, that you are not accidently blocking port 995 traffic. In case you are using 'pf' and a 'block log all' rule, you can check packet blockage with Code:
# tcpdump -eni pflog0 -s 128
__________________
You don't need to be a genius to debug a pf.conf firewall ruleset, you just need the guts to run tcpdump |
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