Questions tagged [network-traffic]

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Is there a way to see if my network traffic is being logged?

I'm connected through a LinkSys router with a custom linux on it. Is there any way to see if this router logs my network traffic, reading headers or something else? I don't have access to the router, ...
Patrick's user avatar
  • 361
2 votes
4 answers
2k views

IP/host-based traffic grapher

Do you know/recommend any tool for graphing traffic based on IP or host? In this case, I will get a graph for every IP that passes through my gateway. Of course, I will use a predefined list of source ...
Khaled's user avatar
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0 votes
1 answer
2k views

log openvpn traffic by squid

is any way to log openvpn traffic (sites that users visited)? i think because openvpn use tunnel and encrypt traffic cannot log visited websites, but in a server i saw that open vpn's users traffic ...
hamedsh's user avatar
  • 399
5 votes
3 answers
7k views

Can tail slow down log writing speed on Linux (ext3)?

I'm wondering if tailf can generate blocking I/O which will slow down server responsiveness due to logging. For ex. assuming the following setup: Debian 5.1 linux server (foo) which is managed via ...
0 votes
1 answer
460 views

real time network usage statistics monitoring/capture

I would appreciate any advice from experience from the community regarding the following challenge I've given myself - i.e. any pointers re best approach / direction here? Requirements Allow ...
GregH's user avatar
  • 255
3 votes
6 answers
12k views

Detect computer which does port scanning

I have about 15 computers on a local network behind simple TP-LINK TL-WR340G router. Everything works fine and the router does its job. Recently we were informed that port scanning is being performed ...
agsamek's user avatar
  • 321
9 votes
6 answers
19k views

Generate a limited amount of random network traffic between 2 hosts

I'm trying to find a utility that will allow me to generate a constant flow of random network traffic at a specified rate between 2 hosts. The utility needs to run on Windows and OSX. I've tried iperf ...
Andrew S's user avatar
  • 508
2 votes
4 answers
302 views

How do I associate server traffic to a domain hosted on that server?

I have three or four Linux servers, each of which hosts anywhere from 5 to 50 domains. Each domain has its own folder: /www/projectname/web/ Logs go in: /www/projectname/log However, if there's a ...
user4318's user avatar
0 votes
3 answers
3k views

Can software traffic generator generate 100 Mbps traffic?

Can software traffic generators like iperf etc can generate 100mbps traffic? else is there any software generators which can produce such high rates ? Regards, Mithun
Vidya's user avatar
  • 357
11 votes
5 answers
46k views

Network Stress Test Tool

I need a tool to stress test our network in between two machines. The app should send out a packet to machine 2, machine 2 should send it back, machine 1 verifys the packet is correct, generates a ...
shaiss's user avatar
  • 337
26 votes
10 answers
49k views

Linux: How to measure daily/montly network traffic?

I need to keep statistics of daily network traffic for a linux machine (CentOS 5). Is there a way to do it using standard/native tools or utilities? Or do I have to dowload special software for that? ...
GetFree's user avatar
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1 vote
2 answers
8k views

Command line based IP traffic generator

Does anyone know of a command line based traffic generator which can produce IP traffic so that we cant test QOS feature on DSL modem . It would be good if we can set the dscp marking in the IP ...
Vidya's user avatar
  • 357
0 votes
3 answers
255 views

What application should I use to analyze traffic on a switch port?

I have a Cisco switch 3560 with a router for private VPN plugged into it. Unfortunately I don't have any kind of access into this router. I'm going to set a local SPAN and mirror all traffic to ...
Jindrich's user avatar
  • 4,989
0 votes
2 answers
198 views

Remote traffic capture probe

Background: I'm a sysadmin at a relatively large university (about 15,000 users in residential space/ResNet). While my group is responsible for administering ResNet space (authentication, DHCP, etc.) ...
Jason Antman's user avatar
  • 1,536
0 votes
3 answers
1k views

Debian Linux: Find Application that generates lots of Incoming Traffic

Is there any way to find out which application on a server is responsible for incoming traffic? I have a debian linux server that has a lot of incoming traffic and would like to know if someone ...
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