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-11
votes
0answers
37 views

Setting up a server [closed]

I'm running an Android(Linux). I want to setup a server on it. (Don't ask why). I'm wondering how do things like Apache work? I know how to program in C, bash, and I know how to make a site. Please ...
5
votes
2answers
411 views

Where does a firewall application fit into the software stack?

I'm trying to figure out where a firewall application on a server fits into the software stack, and at what point in the networking process the firewall "kicks in," from the perspective of an ...
-3
votes
2answers
548 views

how to intercept(not only capture) outgoing packets from TCP programs(or specifically TCP stack)? [closed]

I have a web server running on a host and I want to intercept all packets(including IP/TCP header) sent by the webserver, so the packets are not sent out to the Internet by the web server directly. ...
0
votes
4answers
1k views

How to get a different network's segment IP and MAC in Windows

My network segment is 192.168.0.*, the target network segment is 192.168.1.*, and I can ping it. I want to get the target's (e.g., 192.168.1.132's) MAC address in my program (C# or VC). I know I ...
1
vote
1answer
48 views

The effect of network masks on default routes in a routing table [duplicate]

Possible Duplicate: How does Subnetting Work? If you setup a default route in a IP routing table you provide a network mask. What difference does it make if the mask is 0.0.0.0 compared to ...
0
votes
2answers
131 views

What is the best/easiest way to use scripts to analyze network traffic?

I'm looking to analyze packets via scripts. I'd like to use something high level. I'm in a mac/linux environment. I'm currently looking at different python+libpcap libraries. Perhaps lua+wireshark ...
0
votes
2answers
250 views

What is the risk of opening network port?

What can someone do if i write a program to open a TCP port and run, lets say an echo server? Can some one access data on my system? or any other risk of opening port?
-4
votes
3answers
314 views

How to configure PC as a gateway?

I'm researching a project. If lets say a lab has 20 PC, 1 tutor PC and the rest is 19 student pc, and in my project all the network traffic from student pc should go through the tutor pc before ...
7
votes
2answers
231 views

Why am I seeing webmin in lsof output?

I am running a server application (written in C), that is bound to my server on localhost address 127.0.0.1 and let it listen in first case on port 10000 and in second case on port 20000 When I run ...
2
votes
2answers
509 views

Does cable length affects response time of ping?

The question is above. Any link/idea is well appreciated. My best regards...
-2
votes
3answers
216 views

Connectivity of IPv6 With IPv4 host

I'm recently working on a project, in which we are provided two network one with IPv6 Connectivity only and other with IPv4 Connectivity only. These two networks are connected to each other with a ...
1
vote
3answers
31 views

wondering any rule to specify private ips?

Is there any rules to specify private ip address I guess 192.168., 169, 10* are all private ips, but I am not sure. Anyone can point out?
0
votes
1answer
838 views

how to investigate real problem with TX packet drops in linux?

I have my vps on CentOS running some my own software wich uses very fast algorithm of sending specially constructed RAW TCP packets to numerous systems running my software. I have noticed too many ...
1
vote
2answers
333 views

multicasting in different networks in java

I'm writing a code to work through sockets in java. I've created a multicast group to which anybody can join on the LAN. But the LAN has many different networks, operated by a router, and the ...
0
votes
1answer
237 views

introduce latency between ec2 instances

I have a 2nodes Cassandra ring on ec2 (10.96.31.143, 10.254.94.177) in the same zone (east-1). How can I introduce a 3 seconds delay for all cassandra-related network communications between them? I ...
3
votes
3answers
2k views

udp through nat

I've two private networks (each of them behind a typical dsl router). The routers are connected to the WWW. The extern interface of each router have one dynamic IP address. I want to stream data via ...
0
votes
1answer
285 views

What can you diagnose from the netstat output on what's causing proxy working madly?

My http proxy server is listening at port 8888(IP changed for security reason): [root@ ~]# netstat -ano|grep 8888 tcp 0 0 212.133.43.195:8888 0.0.0.0:* LISTEN off ...
0
votes
1answer
167 views

What is maximum traffic of data that can pass through a coproprate intranet in a day? [closed]

Can someone please tell how many maximum terabytes of user data can be passed in a day in a data migration application involving both client and servers on the same intranet, assuming that network is ...
2
votes
1answer
7k views

How to open a 8080 port for an application, with iptables

I am a total newbie concerning servers so excuse my humble question :-) Someone developed for me a python application that acts as a web serveur. This TCP application needs to listen to port 8080. ...
4
votes
1answer
2k views

How are IP addresses assigned? What do the parts mean? [duplicate]

Possible Duplicate: How does Subnetting Work? IP addresses and geographical locations How does my IP address get assigned to me? Is there any ordering? For instance by time or by location ...
0
votes
1answer
201 views

Does Linux uses 4.4 BSD Style routing

In the example codes of Network Programming Vol1 of Richard Stevens book in README following line is given cd ../libroute # only if your system supports 4.4BSD style routing sockets make ...
3
votes
6answers
353 views

Is .NET experience a good thing or a bad for a Sr. Sysadmin?

I'm a sysadmin and become pretty good at ASP.NET development and .NET in general. Is there a chance that my .NET skills may be a disadvantage to me? What would the pointy-haired-boss think? The ...
-1
votes
2answers
151 views

CISCO Router configuration

I'm looking for a course of CISCO Commandes to configure a router. Is there anyone that can help ?
3
votes
2answers
47 views

“entering link in browser” to “finding route to host” how it works?

Is there a wiki or book, which explains what happens when user enters a link in the browser, and how the dns is resolved, how the router finds the route to the host etc.. I am mainly interested in ...
0
votes
2answers
35 views

Request time out error

Hi Today i came across strange problem whenever i try to pinging to my server works properly but whenever i send http request from browser the request time out happens. can anybody help me to resolve ...
2
votes
6answers
404 views

TCP port number

as i have known each tcp connection has a certain port number(destination and source)... given when one requests to the server, the sender side uses the source port number, and with multiple requests ...
1
vote
1answer
609 views

SNMP's command to determine is device router or host

How can be detect is device router or host by using snmp. I tried to use google. But nothing found.
0
votes
3answers
247 views

Network simulator tool [duplicate]

Possible Duplicate: Free Network Sim? I want to start reading some stuff about networking and i need to practice what i read so, is there any tool that can simulate the design of a network?(i ...