BM 3.7 NW6sp2 - Some of our users require ftp access to a site which
implements ftp on port 8180.

I have created an exception filter matching the ftp-port-pasv-st
but replacing port 21 with port 8180. This doesn't appear to work.

In Craig Johnson's book, he states that both port 21 and port 20 are
but the ftp-port-pasv-st definition automatically allows port 20.
this be what is the problem with the 8180 definition i.e. I need to
what other port they use instead of port 20?