For questions on connecting devices together so that they can communicate with each other, as well as on networking equipment such as routers and switches.

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2
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2answers
16 views

UDP destination address during port forwarding?

I have setup a connection using Qt in the LAN, PC1(192.168.1.195) will send UDP packets to PC2(192.168.1.201) with no problem. But now, PC1 and PC2 are now working under different routers. So now PC1 ...
0
votes
0answers
22 views

How to know that I passed the firewall from the TCP connections?

In my company, in order to access some intranet-sites, I have first to login to webpage (which I suppose is a firewall or something) with my account. If I login from FF for example, I can access the ...
-1
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0answers
11 views

clone notebook via network

I run an Ubuntu 15.10 notebook (64bit) and need to migrate the system to a desktop without wanting to reinstall. It would be annoying to open the two computers and plug one's disk into the other to ...
0
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0answers
25 views

Route computer's internet traffic through another remotely connected computer

I have two separate computers(both Windows 10) in different locations, different ISPs for both. From one computer say A, ping to an online game server is horrible(+300ms) thanks to ISPs garbage ...
0
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1answer
29 views

How to keep Firefox/Thunderbird from trying to autodial in windows 10?

I recently updated from windows 7 to windows 10 and now Firefox and Thunderbird keep popping up the connection dialog for my VPN whenever they can't find a network (including every time my laptop ...
0
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0answers
22 views

Deciding the best approach towards network implementation

What are the advantages/disadvantages when implementing VDSL technology into a house? There are 2 options I can take: 1st: Implement the network communication via already existing telephone line ...
1
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2answers
45 views

Can computers that use different SSIDs communicate?

I would like computer A and C be able to communicate with each other but they should not be able to communicate with computer B. Is simply making them use different SSIDs enough to get this done?
0
votes
1answer
26 views

How to know the external ip address of my gateway?

In my office network i unknowingly changed a setting of my gateway of lan network .. I had set my phone's ip address under a section in setting which states that.. Only this ip can login to the ...
0
votes
1answer
12 views

How to share a link to a picture in BTsync?

I have often files which I sync between my devices in BTsync. However, sometimes, I would like to share one picture or one video to one user elsewhere from the BTsync network. Technically, the ...
1
vote
3answers
34 views

Routing across subnets

We have an IP phone system on a 172.16.x.x address. This is a live system which we use every day so we know it works. The confusing part is; all the desk phones are on 172.16.1.x whereas the gateway ...
0
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0answers
25 views

NAT doesn't allow TCP ACK for sent TCP SYN

We are using TCP Simultaneous Open for connecting TCP socket. Lets call one SideA and other SideB. From the wireshark log I see that first two SYN sent from SideB is blocked by SideA NAT. Then SideA ...
1
vote
1answer
33 views

public IP is different than router IP? [closed]

my problem is that my public IP (when I checked it on what is my IP ) is different than the IP showed in my router. this issue causes me one way communication in VoIP. So how can I fix it ?
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0answers
25 views

Disk-less Booting with UEFI mode?

I'm fairly new to this. I was able to successfully disk-less boot in Legacy mode. But trying to see whether I can do the same on UEFI mode; since one of my system has issue on Legacy mode. I see ...
0
votes
1answer
21 views

Netgear WNR1000v4 Keeps Disconnecting

I've updated the firmware, still problems. I've tried hard reseting it, still problems. I've tried wired connection instead of wireless, still problems. The only way I get good internet is to stop ...
-2
votes
1answer
36 views

Find the physical location of a MAC address?

I want to find the physical location of a device, of which I only know its WiFi or Bluetooth MAC address. It is either an iPhone or Android phone. The device is not connected to a WiFi network, and is ...
0
votes
0answers
12 views

Device (PS4) not connecting to a bridged modem. Default gateway resets

I'm trying to bridge (IP Pass Through) my PS4 to give it direct access to the internet and by pass the router which would increase my NAT type. My modem+router is Huawei E5172, it's wireless and uses ...
0
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0answers
36 views

How to setup VPN server without giving access to my home network

I would like to give censorship-free access to the Internet to my friend who lives abroad. However I want to restrict his access to my home network. My main router Netgear Nighthawk can be setup as a ...
2
votes
0answers
22 views

LAN connection drop every couple of minute

I have a problem related to my LAN. It drop every couple of minutes, only for my PC, so it's not network issues (wired), but PC issue. Winx64 8.1 Pro. ASUS p9x79 motherboard. (I use integrated ...
0
votes
0answers
11 views

How to access local resources over proxy

So I have a raspberry pi that is acting as a proxy server (privoxy) on my home network. I can access that Pi through Hamachi (I know it's not ideal, but it gets the jobs done well enough). However, I ...
0
votes
1answer
36 views

Monitor Network Traffic for a Specific Computer Program

I am looking for a way to monitor network traffic for a specific program running on my computer. The program is running as a service on Windows 10 Pro x64, and I am interested in seeing the data ...
0
votes
1answer
22 views

Network Graphics card

Is it possible to have a desktop with a good graphics card be used by another computer on the network while a person uses the desktop? I am looking to by a laptop and I already have a very powerful ...
0
votes
0answers
19 views

How to debug wifi hotspot on windows 7?

I use VirtualRouter to set up a personal hotspot from my Windows 7 computer. However, as of recently the hotspot set up from my computer does not work anymore. The Network & Sharing center shows ...
3
votes
1answer
68 views

FileZilla is connecting to localhost instead of SSH server (can connect via PuTTY)

I have a Linux OS running on another machine in my home network, with an IP Address of 192.168.178.85. On this machine, I have installed OpenSSH and it is running on port 22. I can SSH in using ...
1
vote
0answers
18 views

DNS stops resolving after few minutes. On WiFi only

I have Windows 10 x64 Enterprise. This happens only on WiFi network. Doesn't matter if I'm using build in or USB adapter. I tried using Google DNS, Open DNS and default DNS. Doesn't matter which one ...
0
votes
2answers
30 views

Iptables: why my redirection doesn't work?

Linux slackware,i have put ftp server with unprivileged user running port 2121. Want to redirect all packets from 21 to 2121 so my ftp is avaliable as standard without specify the port. telnet host ...
1
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0answers
36 views

How to setup remote sharing and file transfers

My sister lives a town away. Want to be able to see shared network folder and files on her machine and vice versa. Would then want to be able to transfer (large) files over to her. We're both running ...
0
votes
1answer
31 views

Is it possible to access a server's IIS on home network from an android device 4G network via VPN?

I have a Windows computer residing in my home network. The computer acts as a webserver for my own personal devices (laptop/android/iOS). The reason for this is that I deploy my home automation ...
0
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0answers
19 views

Python cannot assign requested address

I was trying to get the IP address on my Raspberry Pi with python: def get_ip(ifname): s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) return socket.inet_ntoa(fcntl.ioctl( s.fileno(), ...
-1
votes
0answers
16 views

Proxy server on windows?

I need a way to have a remote computer connect to my home PC and use its internet over the local internet. I have a Windows 10 x64, a Windows 7 x64 and a Ubuntu 14 x86. I would prefer to use one of ...
1
vote
1answer
21 views

Windows - Remove password used to connect to shared drives

Good day all I've been looking around and I can't find a solution for this. Consider this: My IP - 10.0.0.4 My External Harddrive is shared with letter F: Thus running \\10.0.0.4\F will ...
0
votes
1answer
44 views

I am not able to connect my software with my public IP

please help me in port forwarding. i m stuck in the middle. suppose my local ip is - 192.168.0.103 and public ip is - 49.248.xx.xxx I have D-link DSL-2520U ADSL2+ modem router so here is what i do, i ...
0
votes
1answer
7 views

iptables - Add additional allowed IPs

This is what I have used as reference: http://unix.stackexchange.com/a/145933 So if I do: iptables -I INPUT -p tcp -s MY IP --dport 21 -j ACCEPT iptables -I INPUT -p tcp -s 0.0.0.0/0 --dport 21 -j ...
0
votes
1answer
11 views

drop iptables chain forward

I created the following rules (for FORWARD only): iptables -P FORWARD DROP iptables -A FORWARD -o lo -j ACCEPT iptables -A FORWARD -s ##MYIPHERE## -j ACCEPT And then I run iptables -L and get this: ...
0
votes
0answers
40 views

How to send a message to another pc over WiFi?

Recently I found out that someone has hacked my WiFi now I'm trying to send him a message or even a picture if it's possible. PS: note that the only connection we have is that we both are on the same ...
1
vote
2answers
46 views

How to connect two locally linked computers to WIFI using IPv4 addressing?

I want to connect my laptop and another computer (which is RaspberryPi 2, but that's not very important) using a crossover cable. Then I would like to SSH from my laptop to another computer. Finally, ...
1
vote
0answers
21 views

Better to block a host to 0.0.0.0 than to 127.0.0.1?

I have a few hosts that I would like to block in my /etc/hosts file. For that I need to define a bogus IP address that the DNS queries get resolved to. Most of the tutorials I saw so far all mention ...
1
vote
2answers
66 views

WD MyCloud NAS Slow Transfer Speed

Let me start by saying that I'm a networking newbie. I understand the basic processes but not the intricacies of multiple routing devices on a network. My setup is essentially this: ...
0
votes
1answer
27 views

How do I create another LAN interface on my AP?

My home network set up is: WAN > Pfsense router > Wireless AP with tomato firmware on it. On my AP, I have 2 wifi networks. Home and Guest. What I want to do is create two VLANs on my AP. I want to ...
0
votes
0answers
14 views

Ubuntu with Huawei E398 modem - connected network isn't working - why?

I'm using XUbuntu 15.10 with Huawei E398 modem. Already made usb_modeswich so my modem is available to the system. Lsusb shows my modem: Bus 001 Device 010: ID 12d1:1506 Huawei Technologies Co., Ltd. ...
0
votes
0answers
17 views

Wired and wireless network using powerline extender

I'm not an expert on networks and hardware setup so you will have to excuse my ignorance :-) I have a regular (wired) router and a wifi-router connected in my appartment. The regular router is in ...
0
votes
1answer
22 views

What is the maximum frequency of 1000BASE-T?

What is the maximum frequency supported by 1000BASE-T? CAT6 - 250MHz CAT6A - 500MHz CAT7 - 600MHz CAT7A - 1000MHz
0
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0answers
29 views

Send all outbound HTTP traffic from a rogue Wi-Fi router to an internal prank site

Today I discovered that my teenage son installed a rogue Wi-Fi router. It is plugged directly into the ethernet jack that I forgot was in his room. I assume he did it to bypass my internet schedule ...
3
votes
1answer
45 views

Linux server responding to ARP for unknown IP

I have a Linux server at home (OL 6.6, fwiw) running some internal services. I noticed this morning that it is responding to ARP requests for an address I see no record of. The IP is not configured ...
1
vote
1answer
33 views

Why am I seeing packets intended for other recipients while behind a router?

I'm using a wired internet connection. The ISP provides an ethernet cable, a static private IP, and a dynamic public IP. I bought a router and gave the router the static private IP. I'm using ...
0
votes
0answers
44 views

Is there any meaning to the “Map Network Drive” option when you right click Network in Windows 10?

I spent two hours troubleshooting my network drive yesterday because I was right clicking "Network" to access the Map Network Drive wizard. Once I realized I needed to right click "This PC" it was ...
0
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0answers
11 views

Can access, but not browse, windows network behind Ubuntu router

My network setup is like this: Internet -> Ubuntu router and file server -> PCs. The Ubuntu server (which is a DHCP and DNS server for the network) is running Samba with a couple of shares, ...
0
votes
1answer
9 views

How can specify limit for trace collection in OS X wireshark?

Wireshark noob here, trying to figure out how to set a limit for trace collection in OS X Wireshark. I did a search on the wiki page but nothing comes up in the results.
0
votes
0answers
25 views

pfSENSE: Can't ping dmz gateway from inside dmz

I currently have a virtual pfSense machine with 3 interfaces (WAN: 172.16.xx, LAN 10.1.0.x, OPT1(DMZ) 10.1.1.x) I currently have no explicit rules, besides allow any to any on all interfaces. Internet ...
0
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0answers
15 views

W32Time not synchronizing with PDC after /syncfromflags:domhier

We have two domain controllers on a local network: Zeus [PDC] Neptune Zeus is configured to pull from an external time source and is set as reliable: w32tm /config /manualpeerlist:0.pool.ntp.org ...
0
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0answers
26 views

Share LAN Internet FROM Windows 10 INTO Lollipop by USB or Bluetooth connection

I have a Desktop Windows 10 PC with LAN and WAN connections (WAN: Wide Area Network, Internet). but no WiFi in it, but it has an USB Bluetooth 2.1 adapter plugged in. I have also an Android Galaxy S4 ...