Bug 30076

Summary: incoming telnet session very slow to start
Product: [Retired] Red Hat Linux Reporter: rparker <rparker>
Component: telnetAssignee: Harald Hoyer <harald>
Status: CLOSED CURRENTRELEASE QA Contact: David Lawrence <dkl>
Severity: high Docs Contact:
Priority: medium    
Version: 7.0   
Target Milestone: ---   
Target Release: ---   
Hardware: i386   
OS: Linux   
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2003-08-05 08:16:17 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Description rparker@fprep.org 2001-02-28 20:47:36 UTC
From Bugzilla Helper:
User-Agent: Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 4.0)

When attempting to telnet into the Linux system, it requires between 30-60 
seconds for system to respond with "login" prompt. Once connection is 
established, response time is OK.

Reproducible: Always
Steps to Reproduce:
1. Telnet into system from NT/Win98 system.

Actual Results:  After 30-60 seconds, system responds with 
expected "login" prompt.

Expected Results:  Login prompt should display in under 10 seconds.

Comment 1 Bill Nottingham 2001-02-28 22:16:32 UTC
It's trying to do a DNS lookup of where you're connecting from.

Make sure the server machine's DNS is configured correctly, and that the client
machine is resolvable.

Comment 2 rparker@fprep.org 2001-02-28 22:20:08 UTC
We don't use DNS for name resolution; we use WINS. Is there any way to bypass 
this feature (whatever it may be), or use WINS for name resolution? Security 
isn't an issue, we're behind a firewall.

Comment 3 Harald Hoyer 2001-08-01 06:47:10 UTC
Could you please retry with:
Bonus: security fixes to the recently discovered vulnerabilities