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000182_jaltman@columbia.edu_Sat Jun 21 11:41:29 EDT 2003.msg
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Article: 14411 of comp.protocols.kermit.misc
Path: newsmaster.cc.columbia.edu!news.columbia.edu!news-not-for-mail
From: jaltman@columbia.edu (Jeffrey Altman)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: HTTP Proxy in ckermit
Date: 20 Jun 2003 22:47:50 -0400
Organization: Columbia University
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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 bug is in ckuus3.c. When there is no /USER: provided when
setting SET TCP HTTP-PROXY the tcp_http_proxy_user variable should be
NULL.
: The /AGENT argument to http commands
: seems to have no effect on the headers sent to the server (its always
: C-Kermit).
This was fixed in dohttp(). HTTP /AGENT:agent OPEN ... now utilizes
the specified agent string
: 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?
The HTTP PROXY support is designed to be used for streaming connections
such as TELNET and FTP through the firewall. That is why the HTTP
CONNECT functionality was implemented.
I'm not sure how the behavior you are requesting is supposed to work.
Can you identify which Proxy Server you are using?
If you can send a tcpdump or other network trace showing the communication
with the server I should be able to figure it out.
Jeffrey Altman
Volunteer Kermit Developer
--
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.