Describes the use of a system that constantly monitors a computer network for slow or failing components and that notifies the network administrator (via email, SMS or other alarms) in case of outages.
0
votes
4answers
111 views
Keeping Track of LAN IPs without Access to Router
I'm creating an application that needs to track slave machines on the local network.
I came across this post: Set up to resolve local ips
However, if the local ip assigned to the various hosts ...
1
vote
1answer
213 views
virtio /proc/net/dev
we are doing some VM (citrix-xen) / real machine benchmarks at university and ran accross a strange behavior. we used netperf's stream test to meassure the performance between the two machines. both ...
3
votes
2answers
151 views
Network monitoring per user
We dont have to many restrictions on the net in our domain right now. Normally its fine (we use fiber. 20 down and 35 up) with 40 users this isnt normally a big deal.
Every now and again the ...
7
votes
7answers
9k views
View installed programs on remote machine?
I was wondering if there is an easy and lightweight method to viewing what programs are installed on a remote machine? I am tempted to use Spiceworks but I would like something more lightweight like ...
3
votes
2answers
207 views
request.status 12031
We develop a web application for internal use at our client sites, and it relies heavily on ajax requests. We have 20+ clients nationwide, many of whom are on the same version, and most with a high ...
1
vote
5answers
919 views
Monitor traffic by source/destination IP address
I need to monitor traffic coming in and out of my server. Knowing the total in/out bandwidth is good, but ideally I would like to know how much traffic was sent to what address (we are talking about ...
2
votes
2answers
93 views
finding a spamming computer on the network [duplicate]
Possible Duplicate:
How do you detect a spambot on your network?
Our network of 120 windows machines has 1 or more computers sending spam. Is there an easy way to find that machine, without ...
1
vote
5answers
114 views
Custom server monitoring: Monitoring number of specific files in specific directory
I have many server running on live. Each server has many application. Each application has directory like /etc/somedir1, /etc/somedir2 where in each of that directory has many .html files. The ...
2
votes
1answer
5k views
HP Procurve 5406ZL - How to enable port-mirroring?
This is my first time asking a question here but I've been lurking around Serverfault and Superuser for a bit. I've tried searching for this but I have yet to find something that would be able to help ...
0
votes
2answers
76 views
Software to monitor Bandwidth, Memory Usage, Load, Etc [duplicate]
Possible Duplicate:
What tool do you use to monitor your servers?
Hey I'm just wondering if there's any software available to monitor Bandwidth, Memory Usage, Load, etc. Doesn't matter if ...
2
votes
3answers
550 views
arp table filling up
I have a CentOS 5 system which serves as an IPSec VPN connector between my network and a couple of remote networks. Lately it is running into this problem once or twice a day where its ARP cache gets ...
2
votes
3answers
325 views
ntop: Which HTTP downloads (URLs) caused the traffic?
My server causes too much traffic, so I have installed ntop to monitor it.
On the Summary -> Traffic page in the Global TCP/UDP Protocol Distribution table I can see the traffic is periodically ...
0
votes
4answers
83 views
HTTP probing utility
Looking for a probing utility that will periodically issue HTTP request and somehow provide an output (CSV/UI) on web server / network response times.
Nice to have: JavaScript-parsing ability to ...
1
vote
1answer
180 views
HP Network Device Management Software
I look after a network with 11 x new HP v1910 24-port 1GB switches and 2 x HP 4204vl 1GB Chassis switches. I'm looking for software to enable me to:
Map the network graphically - there are a lot of ...
0
votes
2answers
166 views
What is the impact of intermittent traceroute timeouts
There are intermittent timeouts upon doing traceroute to an IP address. What impact does it have on say when you are trying to connect to a DB from an App server?
traceroute to ...
2
votes
1answer
3k views
Too many incorrect checksum errors in TCPDUMP
I find too many incorrect checksum errors from a TCPDUMP done on a GNU Linux 64bit server. There are close to 50% incorrect chekcsums in the export?
cksum 0xe61f (incorrect (-> 0x8c37)
How can we ...
2
votes
1answer
262 views
Embedded device for deploying network probes
Our environment has a multitude of remote subnets that we monitor by deploying Linux-based probes running various network monitoring software and other handy tools. Currently we're using surplus-ed ...
1
vote
2answers
208 views
Monitoring instantaneous network throughput at one second intervals?
For a testing setup I have, I need to monitor the throughput through a "router"* at regular intervals of around 5 seconds or less (sub-second intervals would be very nice, but not required). Ideally, ...
0
votes
1answer
255 views
How can I monitor the network on ESXi node for connections and find the source of a ddos attack
I'm looking for something fairly simple to install, that will monitor network traffic on the vswitch for my esxi node as we're getting ddosed and I need to be able to easily see where the traffic is ...
2
votes
3answers
141 views
Looking for a host based network monitor solution
Hi all!
Problem
So, my hosting company has a network usage graph for my dedicated server. It seems that one day earlier this month, my network usage suddenly spiked with several hundred megabytes ...
0
votes
1answer
148 views
CPU & Memory Usage Log & Performance
I want to have an idea of the amount of CPU and memory that is being used. I have a website hosted using IIS, and have clients connecting to it. I want to find out the amount of load that the CPU, RAM ...
2
votes
3answers
121 views
View IIS application responses
I know IIS logs all requests made to the server.
If my application makes requests out to other web services, is there a way to see what the response was or at least the headers of the responses?
1
vote
1answer
65 views
Should I block any services for internal network?
I'm running a small business network, and the previous net admin allowed all services via a firewall management router. My question is whether there are any services that I should be blocking ...
2
votes
4answers
303 views
How can i measure the load of a WAN Connection with Wireshark?
I have a 100 Mbit WAN connection and want to check the load on it for a week.
So I put a hub (10/100Mbit) behind the WAN connection and connected a laptop with wireshark on it. Here is now my ...
1
vote
1answer
238 views
Linux network connections logging
I have linux (OpenSuse) testing server and I would like to have detail log about http and ftp connections (and maybie other TCP connections).
Informations I'm interested in are IP address, transfer ...
1
vote
2answers
122 views
Monitoring network connection of Windows Server in real-time
I'm looking for a way to monitor the network connection from my PC to a Windows Server running on our network. My PC is running Windows 7 and the server is running Windows Server 2003 R2. I'm looking ...
4
votes
5answers
210 views
Server Cloud Monitoring
I'm a consultant that has around 100 clients and I would love to monitor all my clients networks, preferably from the cloud so I can tell if their Internet is down. I would like for it to offer a lot ...
4
votes
1answer
200 views
“Enterprise Monitoring Solution” with the lightest agent?
I have a network of disparate remote VPS / "cloud" / colocated servers that I would like to monitor from a central location, using open source software like ...
0
votes
1answer
168 views
internet connection monitor
I am looking for a tool to check my internet connection (by pinging something and/or retrieving a web page) and when the connection is lost to execute some command (sending an e-mail, resetting my ...
6
votes
2answers
8k views
How can I filter https when monitoring traffic with Wireshark?
I want to observe the HTTPs protocol. How can I use a Wireshark filter to do that?
1
vote
1answer
544 views
How to monitor current output/receive queue length in Linux
I want to check the capacity and performance of my network. Besides checking the txkB/s and rxkB/s via Sar, I'd also like to see the average queue length of the network interface(so that the average ...
0
votes
3answers
102 views
I want to be notified when a LAN IP goes live
Is there a tool or something that can notify me whenever a local IP goes live on my network.
It could be that it continually ping that IP and display a notification to me whenever that IP return a ...
2
votes
1answer
121 views
Low bandwidth when accessing websites outside my country
I am using a broadband internet connection from an ISP named Reliance in India. I wanted share you with a weird behavior of my internet connection.
I have a 2Mbps connection and I get around same ...
2
votes
5answers
251 views
Figuring out what's causing a server to slow down
I have a potential client that has a php site that performs fine most of the time. However, every week or so, it will experience lag (slow page loading). I am sure there are a myriad of things that ...
1
vote
1answer
328 views
How to detect pid that generates outbound traffic on Solaris?
Is there a firewall of some sort on Solaris that will let me define a filter, for instance outbound traffic to a certain range of ip adresses and port, but instead of blocking the traffic I want to ...
4
votes
2answers
1k views
How can I use nagios to monitor ssh tunnels?
I have a server that is used a middleman for a bunch of reverse ssh tunnels. I want to use nagios on that server to monitor that all of those ssh tunnels are up.
Essentially I want to do the nagios ...
1
vote
1answer
125 views
Monitoring network usage according to IP address in Wireless network
Hiii,
I have an internet connection which is shared by 8 users via an D-Link N150 wireless router.
It is 1Mbps connection and we want that no one should download in excess when everyone is using the ...
4
votes
6answers
295 views
Can you totally ban a PC from the local network?
I was wondering whether it is possible to ban a PC from LAN or WLAN totally or not? I know that banning according to MAC address is useless, as it can be altered.
P.S: assume that no credentials are ...
1
vote
1answer
117 views
Client PCs take turn on network-spamming our domain controller - rundll32.exe seem to be the culprit
at my small office we've stumbled upon a strange problem which have started during today.
It all started with our network seeming sluggish and unresponsive - user's complained about slow connection ...
0
votes
1answer
366 views
Monitoring multiple sites on a single server using OpsView
We have several web servers. On each of these servers there can be ~250 web sites. I need to add a HTTP check for each site on each server. Each site has a reserved host header that we know can always ...
2
votes
1answer
106 views
Network Management Growing messy and ugly need plan [closed]
Hi i currently have a network management that is really manually and there is no user management at all, i've heard that Microsoft Active Directory allows you to have a better network administration ...
1
vote
2answers
2k views
Problem with Icinga web installation - server side errors
I have successfully installed and configured Icinga 1.3 and got the basic
web interface up and running and all is good.
I'm now trying to get icinga-web to work. I've followed the instructions
...
0
votes
3answers
1k views
Nagios Best Practise
I have installed Nagios on my network, and I have some beginner questions.
I would like to get some "best practice" information about the following types of server:
Web Server
Exchange Server
...
0
votes
2answers
1k views
How can I see http/https URL's in Microsoft Network Monitor 3.x capture files?
I've used Microsoft Network Monitor 3.x before for various reasons but realized today I don't know how to tell the URL inside a conversation. I've got it set for "Windows" Parser Profile and I see a ...
4
votes
4answers
485 views
Network monitoring tools with API features [closed]
We use ks-soft's Advanced Hostmonitor package to monitor around 2000 items on our network. We think it's great, the chap that supports it is fantastic, the product is fast, stable and mature but I ...
3
votes
2answers
230 views
use of nmap clogged my network
I was using nmap to scan the mac addresses of my network.What I found was internet connections and rest of network services badly clogged the users were not able to connect to internet.After messing ...
0
votes
2answers
346 views
How can I monitor my users' actions on my network?
I need to monitor users on my network. I currently use a captive portal router that gives users access and assigns them dynamic IP addresses. How can I monitor which sites my users are browsing and ...
0
votes
2answers
71 views
Web server end user monitoring
I am searching for a solution to monitor access and activities on my web server. There are only a handful of people who are allowed to access my https or ftp/sftp server and I would like to know:
Who ...
1
vote
1answer
2k views
What causes the issue (possibly packet loss) in this scenario
I'm trying to diagnose a network related problem - please understand these points before suggesting an answer (apologies if more information is required, I will add anything people ask).
We have a ...
0
votes
2answers
77 views
What's the name of the commercial security scanning tools Fire something? [closed]
I seem to remember a commercial security tool that could be used to do things like locate live IPs in a range. Similar to nmap. Does anyone know the name I think it was Fire (something)?
