Here’s a patched source RPM for the vsftpd package included with RHEL5. It fixes this bug:
https://bugzilla.redhat.com/show_bug.cgi?id=486524
The bug limits user names to 32 characters. The patch raises the limit to 128 characters.
To build and install do:
rpm -i vsftpd-2.0.5-12longuser.src.rpm
rpmbuild -ba /usr/src/redhat/SPECS/vsftpd.spec
rpm -U /usr/src/redhat/SPECS/{ARCH}/vsftpd-2.0.5-12longuser.src.rpm
You can download the patched source file here:
http://blogs.reliablepenguin.com/files/vsftpd-2.0.5-12longuser.src.rpm
