Tagged Questions

Networking is the art of connecting two or more devices together so that they can communicate with each other.

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5 views

Windows Xp Internte Connection Issue

Starting off, I am working on a client computer. I was removing a FBI MoneyPack Ransomware virus from a windows xp system. Well I got rid of that and then had a problem with the firewall. I did the ...
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0answers
17 views

Force an IP to a MAC on virtual network (using netsh wlan command)

I'm creating as virtual network on my PC using netsh wlan commands and it's working great. However, at this point a need came to me to force a particular IP to a MAC address. Ofcourse it will be an IP ...
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2answers
17 views

Using telnet on windows 7.. can't connect on a specific port

Sorry if my question is stupid, but I'm trying to connect to myself using telnet, and i'm having some issues. I'm using a windows rat(Not an illegal one), it's an exe file that listens on port 24328 ...
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1answer
18 views

No access from PC1 to PC2 with anything except ping

I'm partially a sysadmin at a company and one employee called me this morning that they have a weird network issue. The topology is the following: 2 PCs connected with a router that is connected to ...
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0answers
5 views

Disable autoconfiguration of new network interface on Linux desktop

I am running Ubuntu Linux (desktop) and whenever I insert an external network card to my computer, it automatically creates a new interface (that is okay) but also instantly giving the interface an IP ...
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5 views

Why does iptables port aliasing work with only a single rule?

I have a service running on a particular port, but in order to make it accessible via a more memorable port as well as the normal port, I added an iptables rule that acts as a port alias: iptables -A ...
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1answer
14 views

Block traffic to server based on known bad hosts list

there used to be a project like denyhosts that would block bad ips from reaching your server but as far as i understand that is now dead? ...
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1answer
19 views

confusion in saturation concept

I am a bit confused in understanding the concept of saturation.. and difference between saturation and congestion .. I read somewhere (definition of saturation) "A saturated network link is a link ...
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1answer
14 views

How to change interface loopback adapter address in Windows?

Hi I created new loopback adapter in Windows 7 using: devcon.exe install %windir%\inf\netloop.inf *msloop Then if I execute ipconifg Ethernet adapter Local Area Connection 4: ...
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2answers
19 views

What is the difference between a p2p network and a mesh network?

As already stated in the question, I was wondering what the difference between these two network (p2p and mesh) types is. I mean, in both of them all nodes are connected without a central server, and ...
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0answers
37 views

Chrome (and Chrome alone) cannot access the Internet

My neighbour rang me this morning to tell me that she couldn't access the Internet so I agreed to have a look at it for them. The machine is an aging Sony Vaio running Windows Vista (didn't note what ...
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14 views

Forcing a game to not take “real local IP” into account but only recognize virtual local IP assigned by VPN server

We are two friends who want to play Heroes of Might and Magic 2, 3 or 5 together in online multiplayer mode over internet using a TCP/IP connection. As we are not happy with third party solutions ...
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11 views

“Server unexpectedly closed network connection” on trying to access FTP or SSH

I have a website which I could access the files and console using FTP (Filezilla/NetBeans) and SSH(PuTTY), until I saved some files using FTP on NetBeans, it refused to connect, and I couldn't access ...
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1answer
10 views

ipv6 route add issue while adding a particular nexthop address

// IPv6 route add issue in kernel for a particular subnet...(1000::)...why? // Adding ipv6 route : sudo /sbin/ip -6 route add 1005:1006:1007:1008::1/64 via 1001:1002:1003:1004::1 dev eth0 RTNETLINK ...
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0answers
20 views

Make my router a central access point

I'm using Wifi-Repeater in order to capture and use far wifi networks because I do not have my own Wifi at my apartment. I want to expand the connected computers to the remote wifi-hotspot(connected ...
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4answers
35 views

Two PCs, one ethernet port - whats the best solution

I have two PCs which need to share one ethernet port. What is the best solution? I have tried using a splitter, and then two splitters.....only one PC gets internet at a time. What can I try? ...
0
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1answer
21 views

OpenWRT NAT only for clients on certain WLAN network

I am using an OpenWRT powered WLAN router as an access point for my network. Everything on the network id run through a PFSense box so that I can have full control from there. I would like to have a ...
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0answers
10 views

Installing packages on multiple centos machines

I have to install standard package like java 1.7 in 40 of my lab machines which are connected over a lan. I know I can simply write a shell script to install something in user space of each system, ...
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2answers
22 views

How to set up a wireless printer on a computer wired to a Wireless Router

Well here is my case. I have a brother mfc-9320 wireless printer, a Digisol wireless router & a computer that is wired to the router. I want to set up the wireless printer on the computer in this ...
0
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1answer
30 views

DDOS on port 443?

Recently my friend asked me whether his network is secure because he is setting up a game server on port XXX. I opened up Nmap on my linux machine and found port 443 opened. I tried to access ...
1
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0answers
17 views

Setting up dd-wrt router as extender when primary router has username and password authentication

I am trying to extend my wifi using a dd-wrt router as an extender. The problem I'm having is that my primary wifi is authenticated with a username and a password. As far as I can see the dd-wrt ...
0
votes
1answer
12 views

raspberrypi.local not accessible on the network

I used to be able to access my Raspberry Pi on the network using raspberrypi.local (raspberrypi being the hostname of the Pi). The Pi is connected with a WLAN usb dongle to my Apple TimeCapsule I ...
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0answers
25 views

Is it possible for Powerline networking to cause erratic router behavior?

I would like to know whether is it possible for Powerline networking causes erratic router behavior. Could there be any noise emitted from the electrical wiring of the house, and picked up by the ...
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0answers
22 views

Disabling network properties access for unprivileged users (Win7 Home)

as per title, i've been trying to make network properties access (specifically, DNS settings) disabled for normal users. I've got a PC with Win 7 Home edition, with three accounts: an administrator ...
0
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1answer
16 views

Configuring samba on linux so that the network share does not need a login / password

I'm eager to use a raspberry pi as a low-load NAS, and I was reading the guide at: http://www.howtogeek.com/139433/how-to-turn-a-raspberry-pi-into-a-low-power-network-storage-device/ In the tutorial ...
0
votes
1answer
14 views

Can't connect to Monet DB hosted in RHEL5

I'm not a sysadmin, much less a RHEL sysadmin, but for some reason I have to make a few config changes in a couple RHEL servers. I have to set up a couple services in different RHEL servers and they ...
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0answers
6 views

ForceBindIP for two wireless connection

OS: Window 7 professional I have installed ForceBindIP and open two browser one using 3G dongle and other with the laptop wifi card. first browser i have opened using 3G Dongle IP4 address with ...
1
vote
2answers
49 views

What must be done to guarantee continued IP address ownership?

There is a pretty high-level of guarantee that we can have continued possession of a chosen domain name as long as we renew it from our registrar (and provided that our registrar is not ...
0
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0answers
7 views

How do I keep a process running when connected to a particular network and not running at all other times, on Mac OS X?

I have a process that I need to have running whenever a certain network connection is active, but not running at all other times. Initially I thought LaunchAgents could help, if there was some useful ...
0
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0answers
6 views

Force Bind IP : One 3G Dongle and one with laptop wifi card

I am trying to use forcebindip, One 3G Dongle and one with laptop wifi card and started two browser one with IP4 address of 3G Dongle and other with IP4 address of wifi card . i downloaded one 20 MB ...
2
votes
0answers
32 views

Can ping but can't access certain site

I'm having problem with accessing certain website and I do not have any clue where to check. I'm trying to access www.jobsdb.com, and this is the error message - This page can't be displayed. ...
0
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0answers
17 views

Is there any method in domain network that only prevent “ local users account(clients local user) ” log on?

I've been looking for a method in domain network to only prevent "local users account(clients local user)" log on ( but "domain users account" must still could be log on in clients) I try to do this ...
0
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1answer
29 views

Why is NSLookup returning more than one record?

I am doing an NSlookup on my OSX machine and getting more than one record. 174.0.100.24.in-addr.arpa domain name pointer my-machine.domain1.domainname.com. 174.0.100.24.in-addr.arpa domain name ...
0
votes
0answers
8 views

Stunnel as a transparent proxy

I am interested in the following setup firefox->(local) stunnel client-> (remote) stunnel server->forwarded to internet I thought this would be possible if I made my stunnel client connect to ...
0
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0answers
13 views

how to connect to vpn in uae [on hold]

I am currently in a really long(18hrs) layover in Abu Dhabi airport UAE. Seems like my passport doesn't allow me to get a VISA to go outside of airport and explore the city. So, as a programmer I ...
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0answers
6 views

How do I enable port 2381 on Windows server 2008

How to enable port 2381 on Windows 2008 server, needed to install Insight Manager/Diagnostics on a HP Proliant DL380G5, can not access "localPort: 2381 "
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0answers
4 views

D-Link Powerline AV500 Issues? One Powerline LED green and the other one not lit? Maybe also messing up DHCP?

A few times now I noticed while one of my Powerline adapters has a solid green LED, the other is not even lit. I understand the oscillation in my electric circuit influences the quality of the signal ...
0
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0answers
9 views

A connect proxy which logs requests and drops certain requests

I am looking for a connect proxy (not a reverse proxy) which can log HTTP requests and drop specific API requests (possibly by regex)? Does anyone know which tool can do this? The use case is making ...
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0answers
26 views

How to setup 2 dsl lines on Windows Server 2008 R2?

I have an issue with a Windows 2008 R2 Standard server. Currently we have 12 workstations cabled to a switch. The switch is fed by 1 AT&T 6mb DSL Modem. One NIC on the server connects to the ...
1
vote
1answer
18 views

Why packets sent by tcpreplay don't appear on server?

I'm trying to replay pcap file to HTTP server. Before that I'm trying to manually check that I'm using tcpreplay correctly. I've start netcat -l 12345 to listen on specific port. Let's call it ...
0
votes
0answers
19 views

How to make a full windows 7 hardrive shared on a home network for macs?

This my setup: 1 PC - with a 1 TB Hardrive called E:/ (Windows 7 Ultimate 64bit) 1 Mac Apple Mac Book Pro (Mac OSX Yosemite) 2 Windows Laptop (Both with Windows 7 Pro 64bit) 1 Router I want to ...
0
votes
1answer
20 views

Can I have two MAC addresses which only differ by the “local” bit?

I have two NICs on my PC. One is the built-in wired Ethernet controller, another one is the plugged-in USB-Ethernet gadget. For the latter, the MAC address is auto-generated by the Linux driver. I'd ...
0
votes
1answer
16 views

Changes to /etc/network/interfaces ignored and restored at re-boot

I wanted to set up a virtual machine according to this tutorial: http://www.howtoforge.com/virtualization-with-kvm-on-a-debian-lenny-server I reached to the point where I have to modify the ...
0
votes
0answers
7 views

Improvement of transfer speed over afp shares

I was performing speed tests on my upgraded network, and i'm not getting all the speed i thought i could get across network shares. The tests i did between machines A and B (both running OSX Yosemite, ...
0
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0answers
20 views

Can't access Jenkins running on port 8080 from OSX Yosemite

A couple of weeks ago I installed Jenkins on a VPS server running Debian 7.7 (wheezy). Jenkins is running on port 8080, at the time I had Mavericks installed on my Macbook Pro and I had no problem ...
0
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0answers
10 views

UPnP Discover can't captured by Wireshark

According to the UPnP standard, the UPnP discover packet should send to 239.255.255.250:1900. However, when my program send to 239.255.255.250:1900, the wireshark can't captured the packet. When my ...
0
votes
2answers
11 views

Definition of 'send_redirect' in Linux IPv4 context

I've encountered these two lines in a script: echo "1" > /proc/sys/net/ipv4/ip_forward/ echo "0" > /proc/sys/net/ipv4/conf/eth0/send_redirects The first line switches on ip forwarding, which ...
-1
votes
1answer
25 views

League and Dota Game Server Names [on hold]

My club is hosting an LAN event at a school, we have an internet connection but it is filtered. In order to host the tournaments properly we need to give the school network admins the sites we need to ...
1
vote
0answers
23 views

PC's and Laptops get IP from DHCP, but other devices don't?

We're having a strange issue. DHCP is setup on a Windows 2013 Server PC, it works fine for laptops and computers, even VoIP phones. But not for our access point (or devices connecting VIA the access ...
-3
votes
2answers
67 views

First Smurf attacks and now LAN access from remote - What is happening? [on hold]

Here is the log from my Router. First I was getting Smurf attacks -- look at "DoS attack: Smurf" in router logs - should i worry? and now this. I see entries in my wireless router logs ...