Jesse W. Hathaway wrote: >> VPN: >> >> ipsec Internet 10.10.10.0/24 >> +-----------------------|Shorewall Server|----|LAN| >> | | >> | | >> +---+ |ipsec >> | A | | | >> +---+ +---+ >> 192.168.105.212 | B |192.168.1.101 >> +---+ >> >> >> Clients A and B can both establish successful >> nat encapsulated ipsec sessions to the shorewall >> server. I can successfully receive and transmit >> between the shorewall server and client A as well >> as between the shorewall server and client B. >> >> What is the best method to allow communication >> between Client A and B? I cannot use their >> RFC 1918 addresses because I do not have an >> IPSEC policy that dictates that the other >> client's network should be encrypted. >> >> I would prefer to nat the clients with addresses from >> my local LAN, 10.10.10.0/24, or another subnet. I tried >> adding this to /etc/shorewall/nat: >> >> #EXTERNAL INTERFACE INTERNAL ALL INTERFACES LOCAL >> 10.10.10.10 eth1 192.168.1.101 Yes Yes >> 10.10.10.12 eth1 192.168.105.212 Yes Yes >> >> However when I do a tcpdump on the firewall interface I only see >> DNAT taking place. >> >> Is there are recommended method to provide local ips to VPN clients? > > I tried adding this to shorewall/masq, but it did not SNAT the ip of > the ipsec client, what is the correct way to DNAT and SNAT an ip? > > #INTERFACE SOURCE ADDRESS PROTO PORT(S) IPSEC > eth0 192.168.1.101 10.10.10.10 > eth0 192.168.105.212 10.10.10.12 >
You need 'yes' in the IPSEC column if you want that to work. -Tom -- Tom Eastep \ Nothing is foolproof to a sufficiently talented fool Shoreline, \ http://shorewall.net Washington USA \ [EMAIL PROTECTED] PGP Public Key \ https://lists.shorewall.net/teastep.pgp.key
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