Re: [Users] ping remote subnet

From: Sam Sgro (sam_at_freeswan.org)
Date: Tue Dec 24 2002 - 19:08:44 CET


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On Tue, 24 Dec 2002, Drew McBee wrote:

> The Freeswan machine has one nic. IP# 1.2.3.30 and an alias of 192.168.1.31.
> The netopia has an internal ip# of 192.168.2.1 and external of 4.5.6.1
> The Freeswan machine is behind a firewall with a public ip# 1.2.3.1 and an
> internal alias of 192.168.1.1.
> All vpn protocols and ports are open on the firewall ( 50,51 & port 500 )
> I cannot ping the 192.168.2.0 network from the freeswan machine.

('tis the holidays - quick response, more detailed later if this doesn't fix
it.)

Without an exhaustive read, do you realize that authorizing "net-to-net"
traffic does not explicitly permit "host-to-net" commuication? In short, the
FreeS/WAN server will not be authorized to send packets to the Netopia's
subnet. The only traffic permitted will be from machines on the 192.168.1.0/24
subnet to the 192.168.2.0/24 subnet.

Read this:

http://www.freeswan.org/freeswan_snaps/CURRENT-SNAP/doc/adv_config.html#multitunnel

- --
Sam Sgro
sam_at_freeswan.org

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