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Full Discussion: Socket Problem
Top Forums Programming Socket Problem Post 48892 by Agent007 on Sunday 21st of March 2004 02:55:26 PM
Old 03-21-2004
Socket Problem

Hi all,
I have developed server/client application (using C) and tested it on the same machine .. but when I deploy them on different machines I get connection timeout.

Well .. server machine and client machine exists on different network segments, so there is a linux firewall box to route traffic (all ports are open on it)

so my question is there anyway that client program can communicate with my server program via the firewall .. is there any function in C for this kind of setup

(I searched alot but didn't find anything useful .. so If it is not possible .. how come there exists so many server/client application that can communicate via firewalls)
 

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YPSET(8)						    BSD System Manager's Manual 						  YPSET(8)

NAME
ypset -- tell ypbind(8) which NIS server process to use SYNOPSIS
ypset [-h host] [-d domain] server DESCRIPTION
ypset tells the ypbind(8) process on the current machine which NIS server process to communicate with. If server is down or is not running a NIS server process, it is not discovered until a NIS client process attempts to access a NIS map, at which time ypbind(8) tests the binding and takes appropriate action. ypset is most useful for binding a NIS client that is not on the same broadcast network as the closest NIS server, but can also be used for debugging a local network's NIS configuration, testing specific NIS client programs, or binding to a specific server when there are many servers on the local network supplying NIS maps. The options are as follows: -h host Set the NIS binding on host instead of the local machine. -d domain Use the NIS domain domain instead of the default domain as returned by domainname(1). SEE ALSO
domainname(1), ypcat(1), ypmatch(1), ypwhich(1), nis(8), ypbind(8), yppoll(8) AUTHORS
Theo de Raadt BSD
February 26, 2005 BSD
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