ftp://ftp.saintjoe.edu/pub/linux/slackware/slackware-current/source/n/tcpdump/  direct

832 B  2007-02-11slack-desc  2592+ mirrors
3.67 KB  2009-05-07tcpdump.SlackBuild  66 mirrors
511.99 KB  2008-10-28libpcap-1.0.0.tar.gz  428+ mirrors
65 B  2008-10-28libpcap-1.0.0.tar.gz.sig  247+ mirrors
692.16 KB  2008-10-28tcpdump-4.0.0.tar.gz  357+ mirrors
65 B  2008-10-28tcpdump-4.0.0.tar.gz.sig  239+ mirrors