Okey,
I've tried everything Ken has suggested but to no go.
Here's what I've done:
- I have the machine locked down with IPTABLES. If I stop IPTABLES,
XDMCP works fine.
- I used the following lines while IPTABLES was running, but XDMCP
didn't work:
/sbin/iptables -A tcp_inbound -p TCP -s 0/0 --destination-port 6001 -j
ACCEPT
/sbin/iptables -A udp_inbound -p UDP -s 0/0 --destination-port 6001 -j
ACCEPT
/sbin/iptables -A tcp_inbound -p TCP -s 0/0 --destination-port 177 -j
ACCEPT
/sbin/iptables -A udp_inbound -p UDP -s 0/0 --destination-port 177 -j
ACCEPT
The command I'm using to start the XDMCP connection is "X :1 -query
servername".
According to TLDP howto, port 177 is all that I need, and Ken suggested
opening 6001. I've done both, opened both UDP and TCP as above and to no
avail. Any ideas?
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