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Slow LAN FTP Transfers with FreeBSD...
Post 302390763 by pludi on Friday 29th of January 2010 01:21:53 AM
01-29-2010
What kind of PowerLine do you have? Are there any appliances plugged in that might send interference into the line?
My guess, based on the tracing times, would be that the problem is the PowerLine stuff, as even on our 1700 km line to one of our branches we never get more than 100ms delay. Your 242ms would equal a distance of about 35000 km. So either you're violating the laws of physics (which would be way cool
), or your system has problems sending the response as it gets garbled on the line.
My guess, based on the tracing times, would be that the problem is the PowerLine stuff, as even on our 1700 km line to one of our branches we never get more than 100ms delay. Your 242ms would equal a distance of about 35000 km. So either you're violating the laws of physics (which would be way cool
), or your system has problems sending the response as it gets garbled on the line.|
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safe_finger
SAFE_FINGER(8) Linux Programmer's Manual SAFE_FINGER(8) NAME
safe_finger - finger client wrapper that protects against nasty stuff from finger servers SYNOPSIS
safe_finger [finger_options] DESCRIPTION
The safe_finger command protects against nasty stuff from finger servers. Use this program for automatic reverse finger probes from the tcp_wrapper (tcpd) , not the raw finger command. The safe_finger command makes sure that the finger client is not run with root privileges. It also runs the finger client with a defined PATH environment. safe_finger will also protect you from problems caused by the output of some finger servers. The problem: some programs may react to stuff in the first column. Other programs may get upset by thrash anywhere on a line. File systems may fill up as the finger server keeps sending data. Text editors may bomb out on extremely long lines. The finger server may take forever because it is somehow wedged. safe_finger takes care of all this badness. SEE ALSO
hosts_access(5), hosts_options(5), tcpd(8) AUTHOR
Wietse Venema, Eindhoven University of Technology, The Netherlands. Linux 21th June 1997 SAFE_FINGER(8)