Oops. It sounds like you forgot to run lilo after replacing the
vmlinuz file in the /boot directory. I made this mistake a few times
myself when I first started compiling my own kernels.
As for a repair, the only two methods I am aware of are:
1. Boot with a rescue disk, restore your boot direct
Have a look at these files:
/etc/hosts.allow
/etc/hosts.deny
They are probably configured to deny access to everyone except
localhost. To change this, read the man page on hosts.allow by
enterning the following command at a shell prompt...
man hosts.allow
Then edit the host access files
