Browse other questions tagged linux process traffic udp or ask your own question. Then, add a rule to watch the system call socket() and tag it for easy finding later (-k). Pressure to go back to work after heavy surgery Why can't the rebels kill Vader like the clone troopers killed the Jedi in Order 66? Contact Mass Update - "System.LimitException: Apex CPU Time Limit Exceeded" Bash Parameter Substitution: command line vs.
ptoye Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 01 October 2011 Location: Reading, UK Status: Offline Points: 9 Post Options Post Reply Quoteptoye Report Windows 7: How to Identify the PID Making a DNS Query 17 Aug 2011 #1 Daddyman Windows 7 Professional x64 41 posts How to Identify the PID Making We've got several RHEL boxes doing DNS queries against our old servers, even though resolv.conf has been updated (long ago) to point at our new servers. asked 4 years ago viewed 2493 times active 4 years ago Blog Say Farewell to Winter Bash 2016! http://www.sevenforums.com/network-sharing/181468-how-identify-pid-making-dns-query.html
The time now is 06:32 PM. To stop any more than that requires cooperation from your ISP. Do system or daemon logs show anomalous entries? ausearch -i -ts today -k SOCKET And output similar to the section below will appear.
I may never find out what's really going on. Sharing (characters) is Caring! This should help narrow things down in the general case. Systemtap This site is not affiliated with Linus Torvalds or The Open Group in any way.
Tagged dns, php, tcpdump Tweet 4 thoughts on “Monitoring DNS Queries with tcpdump” Total Blank on July 29, 2013 at 10:10 am said: Could you provide some usage examples of this I know its small and when I go to delete it, it requires an administrator to do this. A network monitor like TCPview knows the PID but doesn't tell me what traffic is a DNS request. My computer is definitely not infected, not even by a rootkit, and my wireless network is definitely not hacked.
How is virtual memory actually increasing the memory space? Nethogs script 3 3-hour exams in a row with no time in between. In this case, the technique will not work and you'll have to take more drastic measures. My Hosts file is unchanged from the default.
Please visit this page to clear all LQ-related cookies. https://ask.wireshark.org/questions/26171/how-can-i-determine-which-application-is-sending-dns-queries-to-my-bind-server Wumpus-hunting Masyu Factoring try catch Set Maximum Server Memory Higher Than What is Available to OS What did Darth Vader mean by “There’ll be no one to stop us this time.” Tcpdump Show Pid The contents of the query can give an idea of what program is issuing them. Strace Network This can cause a significant amount of outgoing traffic when it isn't desired, and can be caused by outside connections to the name server.
It involves sending it the INFO, USR1, and USR2 signals, and watching various log streams. I just wanted to chime in that those "random" DNS are performed by Chrome to determine if you are in a Hotspot/Walled garden. –Chris Carey Feb 15 '14 at 14:27 add Should I contact the manufacturer if their product allows access to other users' location information? auditctl -a exit,always -F arch=b64 -F a0=2 -F a1=2 -S socket -k SOCKET You have to pick through man pages and header files to build this, but what it captures is Linux Log Outgoing Connections
right now i found wich process is, but the question stil alive for a general problem solving technics –boos Oct 20 '10 at 12:23 lsof -i | awk '/UDP/' Authoritative answers can be found from: Makes a rough identification. They would be able to block it where the traffic enters their network, thus releasing all of your bandwidth. About eight months ago I did install LogMeIn, but a few days later I uninstalled it.
white> _______________________________________________ Discuss mailing list [hidden email] http://lists.blu.org/mailman/listinfo/discuss Dan Kressin Reply | Threaded Open this post in threaded view ♦ ♦ | Report Content as Inappropriate ♦ ♦ Re: find Netstat Udp What do coil taps actually do? Here's some sample output from the script: 18:03:12.378415 A graph.facebook.com 1.040 ms ! 18:08:40.528361 A www.webpurify.com 160.063 ms !!! 18:13:45.418993 A gdata.youtube.com 0.849 ms 18:18:01.400179 A api-verify.recaptcha.net 0.733 ms 18:29:46.485955 A
Just starting out and have a question? How honest should one be with their students when talking about the realities of academia? The only other indicators on it are XB-17. Download Process Monitor Not the answer you're looking for?
The operation will be UDP Send and the path will read something like this: pc-host-name:port -> dns-server:domain (note ":domain" indicates port 53 for dns). Which ISC BIND version? Does the file system show odd files or binaries? This at least allows for a faster response to blocking invalid queries.
Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. Is there any way to figure that out? Otherwise you could try to use netstat on the box that does the name resolution and match it to the port numbers the DNS query uses, but since it is a If the problem is caused by a shell script spawning a subprocess that does the DNS lookup and that process quickly exits, then the source port (57550 above) will change all
There are several applications (though I don't have references handy - it depends on what your firewall is, sorry) that can monitor the incoming connections, and automatically set such rejects (usefull macos dns share|improve this question edited Jun 27 '14 at 20:05 Spiff 56.1k678126 asked Jun 27 '14 at 11:43 Al3n 649 add a comment| 1 Answer 1 active oldest votes up Optionally, you could force a couple of packets by pinging a host out on the net, which will cause a DNS lookup to occur, which uses UDP, which should trip our That identifies the ISP.
comm=ping exe=/usr/bin/ping key=SOCKET In the above output, we can see that the ping command caused the socket to be opened. If you need to reset your password, click here. link answered 18 Oct '13, 08:53 Jasper ♦♦ 21.9k●4●49●263 accept rate: 18% 1 I'm on Fedora. Mine are 2.4 (RHEL3) :( How about starting with lsof -i udp You may have other filtering options, but that should start it. -dsr- -- http://tao.merseine.nu/~dsr/eula.htmlis hereby incorporated by reference.
At first I was going to recommend using Netmon 3.4 (from Microsoft) as this will show the process name and pid (pid needs to be added as a column). I'm root on this machine FEDORA 12 Linux noise.company.lan 126.96.36.199-141.fc12.x86_64 #1 SMP Wed Jul 7 04:49:59 UTC 2010 x86_64 x86_64 x86_64 GNU/Linux linux process traffic udp share|improve this question edited Oct rock_ya_baby Linux - Server 8 04-13-2010 05:31 AM All times are GMT -5. It's the -p flag that requires root privileges: [[email protected] ~]# netstat -apn|grep -w 2345 udp 0 0 192.168.3.11:57550 10.11.12.13:2345 ESTABLISHED 9152/ncat As you can see, pid 9152 is fingered as having
asked 6 years ago viewed 39044 times active 1 year ago Blog Say Farewell to Winter Bash 2016! Empty packets? How much should reviewers care about other things than an article's content? References tshark filters Hone Project ask.wireshark.org share|improve this answer edited Jan 30 '14 at 19:44 answered Oct 18 '13 at 15:17 slm♦ 175k45329499 yeah, sniffing localhost won't help.
How to paste source code in Google docs without creating bunch of new paragraphs? Quote: Originally Posted by procfs today we found the dns server is making extensive queries to some random IP's Do these IP addresses show up in any logs or login records?