eroen@occam ~ $ curl --connect-timeout 60 --verbose --head 'ftp://lsof.itap.purdue.edu/pub/tools/unix/lsof/' * Trying 128.210.7.20... * TCP_NODELAY set * Connection timed out after 60001 milliseconds * Closing connection 0 curl: (28) Connection timed out after 60001 milliseconds eroen@occam ~ $ curl --connect-timeout 60 --verbose --head 'ftp://lsof.itap.purdue.edu/pub/tools/unix/lsof/lsof_4.91.tar.bz2' * Trying 128.210.7.20... * TCP_NODELAY set * Connection timed out after 60000 milliseconds * Closing connection 0 curl: (28) Connection timed out after 60000 milliseconds eroen@occam ~ $ curl --connect-timeout 60 --verbose --head 'ftp://lsof.itap.purdue.edu/pub/tools/unix/lsof/OLD/lsof_4.91.tar.bz2' * Trying 128.210.7.20... * TCP_NODELAY set * Connection timed out after 60000 milliseconds * Closing connection 0 curl: (28) Connection timed out after 60000 milliseconds eroen@occam ~ $ curl --connect-timeout 60 --verbose --head 'http://www.mirrorservice.org/sites/lsof.itap.purdue.edu/pub/tools/unix/lsof/lsof_4.91.tar.bz2' * Trying 212.219.56.184... * TCP_NODELAY set * Trying 2001:630:341:12::184... * TCP_NODELAY set * Immediate connect fail for 2001:630:341:12::184: Network is unreachable * Connected to www.mirrorservice.org (212.219.56.184) port 80 (#0) > HEAD /sites/lsof.itap.purdue.edu/pub/tools/unix/lsof/lsof_4.91.tar.bz2 HTTP/1.1 > Host: www.mirrorservice.org > User-Agent: curl/7.59.0 > Accept: */* > < HTTP/1.1 404 Not Found HTTP/1.1 404 Not Found < Date: Sun, 22 Apr 2018 20:14:06 GMT Date: Sun, 22 Apr 2018 20:14:06 GMT < Server: Apache/2.4.7 (Ubuntu) Server: Apache/2.4.7 (Ubuntu) < Accept-Ranges: bytes Accept-Ranges: bytes < Content-Type: text/html Content-Type: text/html < * Connection #0 to host www.mirrorservice.org left intact The lsof.itap.purdue.edu server seems to be defunct, while the mirrorservice.org server only hosts lsof 4.89.
PR available at https://github.com/gentoo/gentoo/pull/12667
This can be closed, 4.91 no longer in the tree, and replaced with version with updated and working SRC_URI and HOMEPAGE