Bug 2027

Summary: tcpdump doesn't match any packets when using filters on loopback interface
Product: [Retired] Red Hat Linux Reporter: Bradley <disabled>
Component: tcpdumpAssignee: Harald Hoyer <harald>
Status: CLOSED NEXTRELEASE QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: 5.2   
Target Milestone: ---   
Target Release: ---   
Hardware: i386   
OS: Linux   
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Fixed In Version: Doc Type: Bug Fix
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Clone Of: Environment:
Last Closed: 1999-08-04 13:21:32 UTC Type: ---
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Bradley 1999-04-07 06:23:34 UTC
Using tcpdump with a filter, on the loopback interface
doesn't match any packets.

Using -i lo, without a filter, or -i ppp0 port 23 does work,
returing the requested packets, but

~# /usr/sbin/tcpdump -i lo port 23

doesn't (using src or dst rather that port doesn't work
either)

Comment 1 Jeff Johnson 1999-08-04 13:21:59 UTC
Fixed in tcpdump-3.4-11. Thanks for the report.