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Homework and Emergencies Emergency UNIX and Linux Support Websockets proxy on CentOS Linux? Post 302777895 by DGPickett on Friday 8th of March 2013 03:20:51 PM
Old 03-08-2013
Well, most simple tcp protocols like http and websockets should run fine with port forwarding using iptables or tcp_relay or with iptables or other firewall NAT if just the host needs to change. The method for tcp_relay is to listen on the firewall or other exposed host on port A and for every connection, make a new connection to host B port C and a processs to shuffle data to and from the sockets. NAT and iptables work at the packet level, just rewriting and forwarding packets.

I recall an article came through just recently of someone who wanted to prot forward. Google is your friend if you know the key words. There are many tutorials out there.
 

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GRID-PROXY-DESTROY(1)						  Globus Commands					     GRID-PROXY-DESTROY(1)

NAME
grid-proxy-destroy - Destroy the default proxy certificate SYNOPSIS
grid-proxy-destroy [-help] [-usage] [-version] grid-proxy-destroy [-debug] [-dryrun] [-default] [-all] [--] [FILENAME...] DESCRIPTION
The grid-proxy-destroy program removes X.509 proxy files from the local filesystem. It overwrites the data in the files and removes the files from the filesystem. By default, it removes the current user's default proxy (either /tmp/x509up_uUID where UID is the current POSIX user id, or the file pointed to by the X509_USER_PROXY environment variable) unless a list of proxy file paths are included as part of the command line. Use the -- command-line option to separate a list of proxy paths from command line options if the proxy file begins with the - character. The full list of command-line options to grid-proxy-destroy are: -help, -usage Display the command-line options to grid-proxy-destroy. -version Display the version number of the grid-proxy-destroy command -debug Display verbose error messages. -dryrun Do not remove the proxy, but display the path of the files that would have been removed, or the directory where they would have been removed from if the -all command-line option is used. -default Remove the default proxy in addition to the files included on the command-line. Only needed if other paths are included on the command-line. -all Remove the default proxy and all delegated proxies in the temporary file directory. ENVIRONMENT VARIABLES
The following environment variables affect the execution of grid-proxy-destroy: X509_USER_PROXY Path to the default user proxy. SEE ALSO
grid-proxy-init(1), grid-proxy-info(1) AUTHOR
University of Chicago Globus Toolkit 5.0.2 04/25/2011 GRID-PROXY-DESTROY(1)
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