https://bugzilla.mindrot.org/show_bug.cgi?id=2899
Bug ID: 2899
Summary: scp remote-to-remote does not work with IPv6 addresses
anymore
Product: Portable OpenSSH
Version: 7.7p1
Hardware: Other
OS: Linux
Status: NEW
Severity: enhancement
Priority: P5
Component: scp
Assignee: [email protected]
Reporter: [email protected]
Created attachment 3172
--> https://bugzilla.mindrot.org/attachment.cgi?id=3172&action=edit
proposed patch
Using IPv6 addresses for remote-to-remote transfers does not work
anymore. This worked fine in OpenSSH 7.4 and before.
# scp -r -vvv jjelen@\[::1\]:/home/jjelen/Documents/abeceda.txt
jjelen@\[::1\]:/tmp/
fails with the error
debug1: resolve_canonicalize: hostname is an unrecognised address
ssh: Could not resolve hostname : Name or service not known
lost connection
This issue express itself earlier in the log as IPv6 address in the URI
that is not enclosed in the square brackets:
Executing: /usr/bin/ssh -x -oClearAllForwardings=yes -t -v -v -v -l
jjelen -- ::1 scp -v -r /home/jjelen/Documents/abeceda.txt
jjelen@::1:/tmp/
This leads in the end to empty hostname:
Executing: program /usr/bin/ssh host , user jjelen, command scp -v -r
-t :1:/tmp/
and to the error above.
This can be pretty simply addressed by the attached patch.
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