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000159_jaltman@watsun.cc.columbia.edu_Sat Jun 14 13:33:40 EDT 2003.msg
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Article: 14388 of comp.protocols.kermit.misc
Path: newsmaster.cc.columbia.edu!watsun.cc.columbia.edu!jaltman
From: jaltman@watsun.cc.columbia.edu (Jeffrey Altman)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: HTTP Proxy in ckermit
Date: 14 Jun 2003 08:44:17 GMT
Organization: Columbia University
Lines: 93
Message-ID: <bcen91$jsr$1@newsmaster.cc.columbia.edu>
References: <f270e7b1.0306121124.4e268ecd@posting.google.com> <bcbt1g$2ph$1@watsol.cc.columbia.edu> <f270e7b1.0306130713.2ecc7069@posting.google.com>
NNTP-Posting-Host: watsun.cc.columbia.edu
X-Trace: newsmaster.cc.columbia.edu 1055580257 20379 128.59.39.2 (14 Jun 2003 08:44:17 GMT)
X-Complaints-To: postmaster@columbia.edu
NNTP-Posting-Date: 14 Jun 2003 08:44:17 GMT
Xref: newsmaster.cc.columbia.edu comp.protocols.kermit.misc:14388
Kermit only supports HTTP CONNECT. Kermit absolutely does not support
the use of POST/GET sequences to transmit data to a Proxy. If there is a
desire for that functionality there are two ways of getting it:
* write the code and submit it as a patch to kermit-support@columbia.edu
* find specifications for the protocol and send them to
kermit-support@columbia.edu. I will add the request to my list of
things to do when I have time. The easiest way to ensure that I have
time is to fund the development of the code.
As for the bugs, please file a bug report with kermit-support@columbia.edu.
I will do my best to look into the problems.
Jeffrey Altman
Volunteer Kermit Developer
In article <f270e7b1.0306130713.2ecc7069@posting.google.com>,
mchamber <michel.chamberland@jtax.com> wrote:
: It looks like there is still quite a bit of bugs in the http proxy
: code, for example the user variable in http_connect (ckcnet.c) is set
: to "" so the if (user) always return true, therfore a
: Proxy-authorization and Extension header is always sent even if
: authentication is not desired. The /AGENT argument to http commands
: seems to have no effect on the headers sent to the server (its always
: C-Kermit). An other problem i found is that the proxy code only
: support the CONNECT call but this call is not OK with our proxy
: because they dont want us to stream anything throught the proxy. It
: does support however keeping the connection alive for multiple POST
: and GET. I guess ill have to figure out the kermit code and try to fix
: it or am I not using kermit right?
:
: Thanks,
: mchamber
:
: jaltman@columbia.edu (Jeffrey Altman) wrote in message news:<bcbt1g$2ph$1@watsol.cc.columbia.edu>...
: > This should be fixed in the current release.
: > Please upgrade.
: >
: >
: > In article <f270e7b1.0306121124.4e268ecd@posting.google.com>,
: > mchamber <michel.chamberland@jtax.com> wrote:
: > : Hi, I am trying to write a small script to download pages via a proxy
: > : using the http protocol. Somehow though it seems that kermit is
: > : ignoring the "SET TCP HTTP-PROXY 192.168.40.1:8080" command and tries
: > : to connect directly to the host. As you can see from the output below
: > : kermit says its trying to connect to the iternet address instead of
: > : the 192.168.40.1 proxy. Any pointers would be greatly appreciated.
: > :
: > : Sincerely,
: > : mchamber
: > :
: > :
: > : Here is the relevant part of the script:
: > :
: > : <snip>
: > : #!/usr/bin/kermit +
: > :
: > : SET TCP HTTP-PROXY 192.168.40.1:8080
: > : HTTP OPEN www.slashdot.org 80
: > : http close
: > : quit
: > : </snip>
: > :
: > : Here is the output of the script:
: > :
: > : <snip>
: > : C-Kermit 8.0.201, 8 Feb 2002, for Linux
: > : Numeric: 800201
: > : Type COPYRIGHT for copyright information.
: > :
: > : SET TCP parameters:
: > : Reverse DNS lookup: off
: > : DNS Service Records lookup: off
: > : Keepalive: on
: > : Linger: off
: > : DontRoute: off
: > : Nodelay: off
: > : Send buffer: (default size)
: > : Receive buffer: (default size)
: > : address: (none)
: > : http-proxy: 192.168.40.1:8080
: > :
: > : DNS Lookup... Trying 66.35.250.151... Failed: Connection timed out
: > : ?HTTP Connection failed.
: > : </snip>
Jeffrey Altman * Volunteer Developer Kermit 95 2.1 GUI available now!!!
The Kermit Project @ Columbia University SSH, Secure Telnet, Secure FTP, HTTP
http://www.kermit-project.org/ Secured with MIT Kerberos, SRP, and
kermit-support@columbia.edu OpenSSL.