This is a mirror of http://www.vim.org/scripts/script.php?script_id=2296

Syntax includes:
- coloring numbers / usernames
- folding with first line of packet in summary
- coloring 'important' and other headers
- coloring for standard possible problems (lack of username or domain, incorrect method, private ips)
- marking 4XX, 5XX, 6XX statuses

Designed looking at capture produced by `ngrep -q -tt -W byline udp and port 5060` or similar.