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Bug 151497 - telnetd support for LINEMODE not enabled at compile time
telnetd support for LINEMODE not enabled at compile time
Product: Red Hat Enterprise Linux 3
Classification: Red Hat
Component: kernel (Show other bugs)
All Linux
medium Severity medium
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Assigned To: dff
Brian Brock
: FutureFeature
Depends On:
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Reported: 2005-03-18 12:45 EST by David Lehman
Modified: 2007-11-30 17:07 EST (History)
4 users (show)

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Fixed In Version:
Doc Type: Enhancement
Doc Text:
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Last Closed: 2005-04-19 17:01:00 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description David Lehman 2005-03-18 12:45:42 EST
Description of problem:
We define KLUDGELINEMODE but not LINEMODE when building telnetd. As a result,
clients can't set linemode.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. telnet into an RHEL3-U4 box
2. try to set linemode ('~^]mode line<enter>')
Actual results:
kludgelinemode is entered, which "features" unsupressable echo of characters

Expected results:
"mode line" should cause telnet to enter linemode

Additional info:
Comment 1 Harald Hoyer 2005-04-19 09:56:38 EDT
The kernel has no EXTPROC and TIOCPKT_IOCTL support. A patch like:
is needed.
Comment 2 Ernie Petrides 2005-04-19 17:01:00 EDT
Please consider working with the Upstream Linux community (LKML) to add
the functionality you desire.  Since this support is not Upstream in
either 2.4 or 2.6, we're not likely to consider adding it in RHEL3 a

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