Hi
Am trying to pass PPTP through a gb200 to a 2003 server. Have opened &
tunneled tcp 1723 & GRE incoming, outgoing is default "allow all".
The server prompts for authentication, then times out. Looks like a problem
with GRE but the logs at this time announce "rejecting unsupported nat request, proto
icmp".
I have included the relevant bits of the logs below. Have confirmed the ISP do
no protocol filtering. The client is XP pro, ICF is currently off.
Anyone any ideas?
Cheers,
Richard
Apr 26 18:28:28 pri=3 flt_type=default msg="Rejecting unsupported NAT request"
proto=icmp src=10.0.0.1 srcport=3 dst=212.42.160.31 dstport=3 interface=sis0 flags=0x2
Apr 26 18:28:24 pri=3 flt_type=default msg="Rejecting unsupported NAT request"
proto=icmp src=10.0.0.1 srcport=3 dst=212.42.160.31 dstport=3 interface=sis0 flags=0x2
Apr 26 18:28:23 pri=3 flt_type=default msg="Rejecting unsupported NAT request"
proto=icmp src=10.0.0.1 srcport=3 dst=212.42.160.31 dstport=3 interface=sis0 flags=0x2
Apr 26 18:28:19 pri=3 flt_type=default msg="Rejecting unsupported NAT request"
proto=icmp src=10.0.0.1 srcport=3 dst=212.42.160.31 dstport=3 interface=sis0 flags=0x2
Apr 26 18:28:15 pri=3 flt_type=default msg="Rejecting unsupported NAT request"
proto=icmp src=10.0.0.1 srcport=3 dst=212.42.160.31 dstport=3 interface=sis0 flags=0x2
Apr 26 18:28:11 pri=3 flt_type=default msg="Rejecting unsupported NAT request"
proto=icmp src=10.0.0.1 srcport=3 dst=212.42.160.31 dstport=3 interface=sis0 flags=0x2
Apr 26 18:28:08 pri=3 flt_type=default msg="Rejecting unsupported NAT request"
proto=icmp src=10.0.0.1 srcport=3 dst=212.42.160.31 dstport=3 interface=sis0 flags=0x2
Apr 26 18:28:07 pri=3 flt_type=default msg="Rejecting unsupported NAT request"
proto=icmp src=10.0.0.1 srcport=3 dst=212.42.160.31 dstport=3 interface=sis0 flags=0x2
Apr 26 18:27:54 pri=5 msg="Close inbound, NAT tunnel" proto=1723/tcp
src=212.42.160.5 srcport=3034 nat=82.148.34.213 natport=1723 dst=10.0.0.1 dstport=1723
rule=1 duration=712 sent=628 rcvd=920 pkts_sent=6 pkts_rcvd=12
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