RE: Cisco VPN client and IP filter = no success

This is a discussion on RE: Cisco VPN client and IP filter = no success within the IPFilter forums, part of the System Security and Security Related category; > > # VPN > > map ep0 192.168.1.0/24 -> 0.0.0.0/32 proxy port ...


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Old 10-04-2005
Blaster
 
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Default RE: Cisco VPN client and IP filter = no success


> > # VPN
> > map ep0 192.168.1.0/24 -> 0.0.0.0/32 proxy port 500 ipsec/udp

>
> Adding this line did the trick...Thanks!


I spoke too soon....

I miss typed the above line...I left out the proxy port 500 ipsec/udp
somehow...So my working ipnat.conf looked like:

map le0 172.16.2.0/24 -> a.b.c.d/32
map le0 172.16.0.0/16 -> a.b.c.d/32 portmap tcp/udp 40000:60000
map le0 172.16.0.0/16 -> a.b.c.d/32

Which obviously isn't what I want either. If I add the proxy port 500
ipsec/udp back in to the first line, it breaks again.

If I use this ipnat.conf:
map le0 172.16.2.0/24 -> a.b.c.d/32 proxy port 500 ipsec/udp
map le0 172.16.0.0/16 -> a.b.c.d/32 portmap tcp/udp 40000:60000
map le0 172.16.0.0/16 -> a.b.c.d/32

I see packets go out to the VPN server, but nothing comes back. So the VPN
server must not be able to ascertain what's in the packet, or it thinks its
spoofed or something and is ignoring it.

Anymore ideas?

Thanks....

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