> Can Solaris 8 be configured such that packets coming into
>a logical interface, go back out appearing to be from that same one?
On a TCP connection, outgoing packets are guaranteed to have a source
address matching the destination of the incoming packets. This is a
requirement of the protocol, as this is how the remote machine relays the
replies to the proper connection.
Quote:>I have a single Solaris 8 system with 2 IP addresses under logical
>interfaces, hme0 and hme0:1. I have two Apache 1.3.23 proxy servers,
>each bound to the seperate IPs of these with BindAddress. However,
>both proxy servers appear on remote servers to be making requests
>from the primary interface only.
You seem to be talking about something else here. If it's a proxy server,
the outbound requests are not part of the same connection as the incoming
Quote:> Can I override this behavior and
>make each proxy appear to come from the IP address it is bound to?
There's no way for the OS to do this automatically. Just because a process
happens to be listening for incoming connections on a particular address
doesn't mean that when it should make outgoing connections it should use
that address. The incoming and outgoing connections are totally unrelated,
as far as the OS and TCP/IP stack are concerned (consider the case where
the machine has two real interfaces, and the incoming connection comes from
the LAN, while the outgoing connection is going to the Internet).
So if this is possible, it would have to be a configuration option in the
proxy software. I suggest you post your question in a group applicable to
that software (comp.infosystems.www.servers.unix seems like the right place
to ask about Apache).
Genuity, Woburn, MA
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