From: Greg Kaloutsis (gregk@qld.gov.au)
Date: Mon Dec 13 2004 - 19:08:16 EST
Situation:
* Many diffrent networks.
* One central hub networks can route to.
* Deliver a service to all networks by port forwarding through the
central hub network.
* Ports and protocols vary. ie. Some are http, rdp, citrix, SAP over
various ports.
All are single port protocols though. Nothing like FTP or the like
* Using Sol 9 boxes.
* Load can grow at peaks up to 2500 concurrent sessions.
* Traffic is many packets but small payload. Typicaly less than 200 bytes.
Tried to use:
rinetd version 0.62
http://www.boutell.com/rinetd/
Problem:
Does not scale well.
System begins dropping packets past about 30 concurrent sessions.
Alternatives suggested in previous posts are:
OpenSSH
=======
Setup a tunnel
e.g. www.site_A# ssh somehost -L 80:www.site_B:80 -o'GatewayPorts yes'
IP Filter.
==========
http://www.rite-group.com/consulting/solaris_nat.html
tcpxd
=====
tcpxd is a general purpose TCP/IP relay program
http://quozl.us.netrek.org/tcpxd/
Portfwd
=======
A Port forwarding daemon
http://portfwd.sourceforge.net/
Has anyone used a port forwarding service out there that is passing a
reasonable load?
Solution/suggestions need not be opensource. Commercial solution will be
looked into.
--
Greg Kaloutsis
Systems Administrator - GovNet
CITEC Support Services
---+++---
Email: gregk@qld.gov.au or Greg.Kaloutsis@citec.com.au
Phone: +61 7 32222644 Fax: +61 7 32278245
Address: GPO Box 279, 317 Edward Stree, Brisbane Qld 4000
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CITEC is a national information and communications technology (ICT)
service provider with approximately 630 employees located across
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CITEC manages two high security data centres located in Brisbane
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