$sudo port clean octave-control
--->  Cleaning octave-control
[flopez@ferbook]~$sudo port install octave-control
--->  Computing dependencies for octave-control
--->  Fetching archive for octave-control
--->  Attempting to fetch octave-control-2.8.3_0+gcc49.darwin_14.x86_64.tbz2 from http://packages.macports.org/octave-control
--->  Attempting to fetch octave-control-2.8.3_0+gcc49.darwin_14.x86_64.tbz2 from http://lil.fr.packages.macports.org/octave-control
--->  Attempting to fetch octave-control-2.8.3_0+gcc49.darwin_14.x86_64.tbz2 from http://nue.de.packages.macports.org/macports/packages/octave-control
--->  Fetching distfiles for octave-control
--->  Attempting to fetch control-2.8.3.tar.gz from http://aarnet.dl.sourceforge.net/octave
--->  Attempting to fetch control-2.8.3.tar.gz from http://citylan.dl.sourceforge.net/octave
--->  Attempting to fetch control-2.8.3.tar.gz from http://freefr.dl.sourceforge.net/octave
--->  Verifying checksums for octave-control
Error: Checksum (rmd160) mismatch for control-2.8.3.tar.gz
Error: Checksum (sha256) mismatch for control-2.8.3.tar.gz
***
The non-matching file appears to be HTML. See this page for possible reasons
for the checksum mismatch:
<https://trac.macports.org/wiki/MisbehavingServers>
***
The file has been moved to: /opt/local/var/macports/distfiles/octave-control/control-2.8.3.tar.gz.html
Error: org.macports.checksum for port octave-control returned: Unable to verify file checksums
Please see the log file for port octave-control for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_math_octave-control/octave-control/main.log
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets
Error: Processing of port octave-control failed