I'm having a problem accessing my POP server that is behind my DS
(floppy) firewall. I have no problems accessing it locally, so it
appears that the POP3 software is working fine.
>From network.conf:
###############################################################################
# Port Forwarding
###############################################################################
# Remember to open appropriate holes in the firewall rules, above
# Uncomment following for port-forwarded internal services.
# The following is an example of what should be put here.
# Tuples are as follows:
# <protocol>_<local-ip>_<local-port>_<remote-ip>_<remote-port>
#INTERN_SERVERS="tcp_${EXTERN_IP}_ftp_192.168.1.1_ftp
tcp_${EXTERN_IP}_smtp_192.168.1.1_smtp"
EX_IP=216.158.26.254
IN_IP=192.168.100.20
INTERN_SERVERS="tcp_${EX_IP}_ftp_${IN_IP}_ftp
tcp_${EX_IP}_smtp_${IN_IP}_smtp tcp_${EX_IP}_110_${IN_IP}_110
tcp_${EX_IP}_ssh_${IN_IP}_ssh tcp_${EX_IP}_www_${IN_IP}_www"
(line above is wrapped)
Only the port 110 service doesn't work; all the other services listed in
the INTERN_SERVERS line works (i.e., ftp, smtp, www - all are accessible
thru the firewall)
The port forwarding seems to be OK:
prot localaddr rediraddr lport rport pcnt pref
TCP 216.158.26.254 192.168.100.20 22 22 4 10
TCP 216.158.26.254 192.168.100.20 24 22 10 10
TCP 216.158.26.254 192.168.100.20 143 143 10 10
TCP 216.158.26.254 192.168.100.20 110 110 10 10
TCP 216.158.26.254 192.168.100.20 80 80 3 10
TCP 216.158.26.254 192.168.100.20 21 21 8 10
TCP 216.158.26.254 192.168.100.20 25 25 5 10
But DS is still blocking port 110:
Feb 9 13:49:38 ellcrys kernel: Packet log: input DENY eth0 PROTO=6
216.136.172.21:16762 216.158.26.254:110 L=44 S=0x00 I=27402 F=0x4000
T=50 SYN (#46)
Feb 9 13:49:44 ellcrys kernel: Packet log: input DENY eth0 PROTO=6
216.136.172.21:16762 216.158.26.254:110 L=44 S=0x00 I=30646 F=0x4000
T=50 SYN (#46)
Feb 9 13:49:56 ellcrys kernel: Packet log: input DENY eth0 PROTO=6
216.136.172.21:16762 216.158.26.254:110 L=44 S=0x00 I=38424 F=0x4000
T=50 SYN (#46)
Feb 9 13:50:20 ellcrys kernel: Packet log: input DENY eth0 PROTO=6
216.136.172.21:16762 216.158.26.254:110 L=44 S=0x00 I=53383 F=0x4000
T=50 SYN (#46)
SO, what is so different about port 110 (pop-3) that is causing DS to
block it, and not the other ports?
--
------------------------------------------------------------------
Michael J. Leone Registered Linux user #201348
<mailto:[EMAIL PROTECTED]> ICQ: 50453890 AIM: MikeLeone
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"Sometimes your lack of sympathy gets hard to explain,
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"When you were young", Del Amitri
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