[LUNI] firewall problem
Boex,Matthew W.
Matthew.Boex at cna.com
Tue Mar 12 12:05:04 CST 2002
scott,
no problem. here are the rules for http and https. i did a scan for any
other instances of http and https, nothing other than these. the port
forwarding calls are below...
# HTTP server (80)
# ----------------
ipchains -A input -i $EXTERNAL_INTERFACE -p tcp \
-s $ANYWHERE $UNPRIVPORTS \
-d $IPADDR 80 -j ACCEPT
ipchains -A output -i $EXTERNAL_INTERFACE -p tcp ! -y \
-s $IPADDR 80 \
-d $ANYWHERE $UNPRIVPORTS -j ACCEPT
# HTTP client (80)
# ----------------
ipchains -A output -i $EXTERNAL_INTERFACE -p tcp \
-s $IPADDR $UNPRIVPORTS \
-d $ANYWHERE 80 -j ACCEPT
ipchains -A input -i $EXTERNAL_INTERFACE -p tcp ! -y \
-s $ANYWHERE 80 \
-d $IPADDR $UNPRIVPORTS -j ACCEPT
# ------------------------------------------------------------------
# ------------------------------------------------------------------
# HTTPS client (443)
# ------------------
ipchains -A output -i $EXTERNAL_INTERFACE -p tcp \
-s $IPADDR $UNPRIVPORTS \
-d $ANYWHERE 443 -j ACCEPT
ipchains -A input -i $EXTERNAL_INTERFACE -p tcp ! -y \
-s $ANYWHERE 443 \
-d $IPADDR $UNPRIVPORTS -j ACCEPT
HTTPS server (443)
----------------
ipchains -A input -i $EXTERNAL_INTERFACE -p tcp \
-s $ANYWHERE $UNPRIVPORTS \
-d $IPADDR 443 -j ACCEPT
ipchains -A output -i $EXTERNAL_INTERFACE -p tcp ! -y \
-s $IPADDR 443 \
-d $ANYWHERE $UNPRIVPORTS -j ACCEPT
------------------------------------------------------------------
and here are the portforwarding calls...
ipmasqadm portfw -a -P tcp -L myipaddress 80 -R 192.168.2.14 80
ipmasqadm portfw -a -P tcp -L myipaddress 443 -R 192.168.2.14 443
ipmasqadm portfw -a -P tcp -L myipaddress 25 -R 192.168.2.14 25
matt
> -----Original Message-----
> From: scott thomason [mailto:scott at thomasons.org]
> Sent: Tuesday, March 12, 2002 11:42 AM
> To: luni at luni.org
> Subject: Re: [LUNI] firewall problem
>
>
> It would be useful to see your firewall commands, if you
> don't mind sharing them.
> ---scott
> ______________________________________________________________________
> Linux Users Of Northern Illinois - Technical Discussion
> luni at luni.org
> http://luni.org/mailman/listinfo/luni
>
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