Contivity VPN woes

Michael O'Donnell mod+gnhlug at std.com
Sat Nov 16 11:15:21 EST 2002


I have a home Enet firewalled behind a linux
box.  My wife can bring her laptop home
from work and connect it to our home net and
pretty much everything just works - I serve
her an IP addr via DHCP and (except for the
Contivity VPN stuff) she's off and running.

I got the following email from her IT guy at
work and I wonder if anybody can offer any tips:

 >Please inform your husband that his firewall
 >needs to allow outbound UDP port 50 and IP
 >protocol 500.  If he is doing NAT, then there
 >needs to be a way to let an IPsec tunnel
 >through without manipulating the packet.

Is my firewall scrogging us?  I clearly need
to learn more about IPsec and VPN stuff...

 .




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