RRAS NAT Stopped Working

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i have windows server 2008 r2 32-bit server in datacenter , 64-bit @ office. office connection doesn't allow incoming port 25. make sure mail can received, i've set user account in ad , assigned fixed ip of 192.168.2.254. vpn server doesn't have dhcp installed, i've set fixed host range of 192.168.2.5 till 192.168.2.254. vpn server automatically takes 192.168.2.5, , when mails erver dials in, gets desired ip wel.

so far, good.

i added nat port 25 incoming rerouted port 587 on 192.168.2.5 via netsh

netsh routing ip nat>add portmapping "name=local area connection" tcp 0.0.0.0 25 192.168.2.254 587

after realizing should have mapped port 25, i've updated netsh

netsh routing ip nat>add portmapping "name=local area connection" tcp 0.0.0.0 25 192.168.2.254 25

i have @ first, worked, got 5.7.1. when trying deliver mail because service via port 587 expects identify first...

too bad, because won't nat routing. if @ nat section, packet counts, etc. stay @ "-", i've tried rebooting , making custom firewall rules, changing rules on other end, can't seem work. can still telnet in fine vpn server mail server on port 25, nat routing fails.

i've removed role, rebooted , added role again, settings, etc. remembered, has no effect... isn't there can or there alternative software works?

ok, 1 bright spot; if disable rras, clear settings...

observations far: every time add new mapping, old ones cleared , added 1 one again (causes vpn disconnect when vpn mapping recreated). total mappings field goes down 0, , 7 again (takes lot longer expected). when try 1 fo 2 rules created myself, see number of mappings decreasing; if crashed , no longer active. weird thing out of +/- 400 inbound , 400 outbound packets, amount of packets rejected ramains zero.

to make sure firewall rules configured, tested netcat see if can in, that's not issue; connecting in works, it's rras/nat section messes :(

any ideas?

thanks,

nick.

ok, killed rras nat, , installed simple portmapping program (http://www.analogx.com/contents/download/network/pmapper.htm), @ least works!


Windows Server  >  Network Infrastructure Servers



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