Red Hat Bugzilla – Bug 854150
ftp does not support IPv6 on RHEL-5
Last modified: 2012-11-06 08:37:04 EST
Description of problem:
While vsftpd supports IPv6 on RHEL-5 it seems ftp (the client) does not.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Enable IPv6 in vsftpd ad start the daemon
# netstat -na | grep :21
tcp 0 0 :::21 :::* LISTEN
2. Connect via ftp
# ftp 2000:dead:beef:a:5054:ff:fe68:13d4
ftp: 2000:dead:beef:a:5054:ff:fe68:13d4: unknown host
# ftp ::1
ftp: ::1: unknown host
3. The connection was verified from RHEL-6 ftp client and it worked.
ftp via IPv6 fail
ftp support IPv6
This request was evaluated by Red Hat Product Management for inclusion
in a Red Hat Enterprise Linux release. Product Management has
requested further review of this request by Red Hat Engineering, for
potential inclusion in a Red Hat Enterprise Linux release for currently
deployed products. This request is not yet committed for inclusion in
Please, make sure you are using ftp client from the 'ftp' package, not the kerberized version.
# which ftp
This version is from krb5 package and it probably doesn't support ipv6.
The client from 'ftp' package does support ipv6:
# /usr/bin/ftp ::1
< connection ok >