ftp://ftp.uni-magdeburg.de/pub/mirror/linux/slackware/source/n/tcpdump/  direct

65 B  2007-10-29tcpdump-4.0.0.tar.gz.sig  239+ mirrors
692.16 KB  2007-10-29tcpdump-4.0.0.tar.gz  357+ mirrors
832 B  2007-02-11slack-desc  2592+ mirrors
65 B  2007-10-29libpcap-1.0.0.tar.gz.sig  247+ mirrors
511.99 KB  2007-10-29libpcap-1.0.0.tar.gz  428+ mirrors
3.67 KB  2009-05-07tcpdump.SlackBuild  66 mirrors