Re: proxy via ssh
From: Brian Pence (bpenceNOSPAM_at_celestialsoftware.net)
Date: 08/22/03
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Date: Fri, 22 Aug 2003 11:18:59 -0500
I think what you're looking for is port forwarding from
local client to the server.
-- Brian Pence Author - AbsoluteTelnet Telnet/SSH client http://www.celestialsoftware.net http://www.absolutetelnet.com "cyrustam888" <cyrustam888@hotmail.com> wrote in message news:913f8d49.0308220150.4080e57b@posting.google.com... > Dear all , > > I have a question about the proxy through ssh , > but i don't know it is possible or not > > > serverA - RedHat Linux 9 > - Squid proxy enabled on port 8080 for 127.0.0.1 only > - sshd enabled for 0.0.0.0 > > ClientB - RedHat Linux 9 > ssh client configured to connect serverA > > > I want to use the proxy service on serverA, but only ssh is allowed > for ClientB, > So I configured the following > > 1. ssh configured properly for user1(rsa, no password) to connect > serverA > 2. create a new service port 8888 on ClientB > /etc/xinetd.d/sshst > > > service sshst > { > socket_type = stream > wait = no > user = user1 > server = /usr/bin/ssh > port = 8888 > server_args = serverA telnet 127.0.0.1 8080 > disable = no > } > > > > /etc/services > . > . > . > sshst 8888/tcp > sshst 8888/udp > . > . > . > > 3. restart the xinetd > > > > > when I issue the command "ssh serverA telnet localhost 8080" > I got the normal response from squid > > Trying 127.0.0.1... > Connected to localhost. > Escape character is '^]'. > GET > > HTTP/1.0 400 Bad Request > Server: squid/2.5.STABLE1 > Mime-Version: 1.0 > Date: Fri, 22 Aug 2003 09:53:19 GMT > Content-Type: text/html > Content-Length: 1163 > Expires: Fri, 22 Aug 2003 09:53:19 GMT > X-Squid-Error: ERR_INVALID_REQ 0 > X-Cache: MISS from serverA > Proxy-Connection: close > > <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" > "http://www.w3.org/TR/html4/loose.dtd"> > <HTML><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/html; > charset=iso-8859-1"> > <TITLE>ERROR: The requested URL could not be retrieved</TITLE> > <STYLE type="text/css"><!--BODY{background-color:#ffffff;font-family:verdana,sans-s erif}PRE{font-family:sans-serif}--></STYLE> > </HEAD><BODY> > <H1>ERROR</H1> > <H2>The requested URL could not be retrieved</H2> > <HR noshade size="1px"> > <P> > While trying to process the request: > <PRE> > GET > > > </PRE> > <P> > The following error was encountered: > <UL> > <LI> > <STRONG> > Invalid Request > </STRONG> > </UL> > > <P> > Some aspect of the HTTP Request is invalid. Possible problems: > <UL> > <LI>Missing or unknown request method > <LI>Missing URL > <LI>Missing HTTP Identifier (HTTP/1.0) > <LI>Request is too large > <LI>Content-Length missing for POST or PUT requests > <LI>Illegal character in hostname; underscores are not allowed > </UL> > <P>Your cache administrator is <A HREF="mailto:root">root</A>. > > <BR clear="all"> > <HR noshade size="1px"> > <ADDRESS> > Generated Fri, 22 Aug 2003 09:53:19 GMT by serverA (squid/2.5.STABLE1) > </ADDRESS> > </BODY></HTML> > Connection closed by foreign host. > > > > > > > but i can't get any response, when i "telnet localhost 8888" on > ClientB > > > > Trying 127.0.0.1... > Connected to localhost.localdomain (127.0.0.1). > Escape character is '^]'. > Trying 127.0.0.1... > Connected to 127.0.0.1. > Escape character is '^]'. > GET > > > > > > > What's wrong on my configuration, > > Please advise > > > Thanks > > > > > > Cyrus
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