From: Justin F. <ju...@ak...> - 2003-07-10 10:30:26
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the ping idea is a possiblity (although i dont have the -w option. what does it do?), but if i have 20 people all connecting at the same time, roughly, if i set -c10 (on my linux distribution this creates 10 pings) will that cause a denial of service attack on the server? On Thursday 10 July 2003 02:55, Mrs. Brisby wrote: > On Tue, 2003-07-08 at 05:35, Justin Fretwell wrote: > > > ./rdesktop 192.168.1.55 > > > server bpp 8 client bpp 16 depth 16 > > > Trying 192.168.1.55... > > > -- blocks for a rather long time- as expected; 55 doesn't have any > > > machine listening there. > > > > this is the problem i am having. It times out eventually but its takes > > far far too long. the users that will be using my clients are not having > > access to command line so i need a fairly quick timeout. > > This is TCP related. There really isn't a lot you can do besides: > 1. lower the timeout in your operating system (dangerous!) > 2. use an alarm clock. > > > > You _might_ try using a shell script to sanitize the rdesktop IP > address. Something that looks like this: > > ---- > #!/bin/sh > ip=$1 > args="" > shift > while test "X$1" != "X" > do > args="$args $ip" > ip="$1" > shift > done > > if ping -w1 -c1 $ip >/dev/null 2>&1 > then > rdesktop $args $ip > else > echo "Ping failed" > fi ************************************************************************ DISCLAIMER: ----------- The information in this E-mail and in any attachments is confidential and is intended solely for the original addressee. It should not be used by anyone who is not an original intended recipient. Access, copying or use of information in it by anyone else is unauthorised and may be illegal. If you are not the intended recipient please contact the sender by replying to them and then delete the message. Akhter Computers Ltd cannot accept liability for statements made which are clearly the sender's own and are not made on behalf of Akhter Computers Ltd. No statement shall be construed as giving industrial/confidential advice within/outside the UK. ************************************************************************ |