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Special Forums Cybersecurity Can you help me?
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Old 11-13-2001
Question Can you help me?
My server chains LANs, direct and telecommunication chaining once, In addition, my LAN has ddn special lines directly, the export of telecommunications gets involved by way of lan, There is a question like this, it is when the computer surfing the Net under looks for this server, ( order ping) always go to telecommunications, turn around from ddn special line again, excuse me, How could avoid this question? ? How should this server be disposed ? Spend I it is proxy act as agent, can only bind one one net card. If dispose this server into a router, OK? ( wrap up rip of those pings and all hit back), if can have, how to do?Smilie
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LEARN ABOUT DEBIAN

connect-proxy

CONNECT-PROXY(1)					      General Commands Manual						  CONNECT-PROXY(1)

NAME

       connect-proxy -- connect over SOCKS4/5 proxy

SYNOPSIS

       connect-proxy [-dnhst45]  [-R resolve ]	[-p local-port ]  [-w secs ]  [-H [user@]proxy-server[:port]] ]  [-S [user@]socks-server[:port]] ]
       [-T proxy-server[:port] ]  [-c telnet-proxy-command ]  [host]  [port]

DESCRIPTION

       connect-proxy open connection over SOCKS4/5 proxies

       Please, note that any HTTP-Proxy tunnel won't work with content-inspection firewall (unless using SSL).

OPTIONS

       -H	 specifies a hostname and port number of the http proxy server to relay. If port is omitted, 80 is  used.  You	can  specify  this
		 value in the environment variable HTTP_PROXY and pass the -h option to use it.

       -S	 specifies  the  hostname  and	port  number of the SOCKS server to relay.  Like -H, port number can be omitted and the default is
		 1080. You can also specify this value pair in the environment variable SOCKS5_SERVER and give the -s option to use it.

       -4	 specifies SOCKS relaying and indicates protocol version to use.  It is valid only when used with '-s' or '-S'.  Default  is  '-5'
		 (protocol version 5)

       -R	 method  to  resolve the hostname. Three keywords ("local", "remote", "both") or dot-notation IP address are acceptable.  The key-
		 word "both" means, "Try local first, then remote". If a dot-notation IP address is specified, use this host  as  nameserver.  The
		 default  is "remote" for SOCKS5 or "local" for others. On SOCKS4 protocol, remote resolving method ("remote" and "both") requires
		 protocol 4a supported server.

       -p	 will forward a local TCP port instead of using the standard input and output.

       -P	 same to '-p' except keep remote session. The program repeats waiting the port with holding remote session without  disconnecting.
		 To connect the remote session, send EOF to stdin or kill the program.

       -w	 timeout in seconds for making connection with TARGET host.

       -d	 used for debug. If you fail to connect, use this and check request to and response from server.

USAGE

       To use proxy, this example is for SOCKS5 connection to connect to "host" at port 25 via SOCKS5 server on "firewall" host.

       connect-proxy -S firewall host 25

       SOCKS5_SERVER=firewall; export SOCKS5_SERVER; connect-proxy -s host 25

       For a HTTP-PROXY connection:

       connect-proxy -H proxy-server:8080  host 25

       HTTP_PROXY=proxy-server:8080; export HTTP_PROXY; connect-proxy -h host 25

       To forward a local port, for example to use ssh:

       connect-proxy -p 5550 -H proxy-server:8080 host 22 ssh -l user

       To use it along ssh transparently:

       # file://~/.ssh/config
       # not using proxy on lan
       Host 192.*
       ProxyCommand connect-proxy %h %p
       # mandatory to access the internet
       Host *
       ProxyCommand connect-proxy -H proxyserver:8080  %h %p

       Or for all users ( /etc/ssh/ssh_config )

ENVIRONMENT

       SOCKS5_USER, SOCKS5_PASSWORD, HTTP_PROXY_USER, HTTP_PROXY_PASSWORD, CONNECT_PASSWORD, LOGNAME, USER

SEE ALSO

       ssh (1).

WWW

       http://www.meadowy.org/~gotoh/projects/connect

AUTHOR

       This  manual  page  was	written by Philippe Coval rzr@gna.org for the Debian system (but may be used by others).  Permission is granted to
       copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 any later  version  published	by
       the Free Software Foundation.

       On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.

																  CONNECT-PROXY(1)