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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0
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1answer
213 views

How do I only allow a specific port (RDP) to connect over a WatchGuard VPN client?

My office uses the WatchGuard VPN client to access the corporate network. I have a lot of services (e.g., Plex, VLC, Skype, etc) that I don't want to go over the VPN. The only thing I want going over ...
1
vote
0answers
353 views

Why do my nat iptables rules not work with marked packets?

System: debian squeeze, Linux server 2.6.32-5-amd64 #1 SMP Tue May 13 16:34:35 UTC 2014 x86_64 GNU/Linux, iptables v1.4.8 lsmod | grep iptable iptable_security 2176 0 iptable_mangle ...
0
votes
1answer
86 views

How to get details- like Remote ip- about alert genrated by suricata after scanning pcap file

I wanted to test security of my android phone so I leaved it for one day running tcpdump in the background. Then I send resulting pcap to virustotal.com. They are scanning pcap file using snort and ...
1
vote
1answer
58 views

what does a blue RJ jack insert mean?

Good day, I have searched for the meaning of casing colors for RJ jack inserts, but haven't found one. Please indicate: what does a blue RJ jack insert mean?
0
votes
1answer
392 views

Ping / SSH computer via SMB name

At work, I can ping and SSH computers by either their IP or their SMB name. If I try that at home (no, I am not trying to access the office internal network from home), then ping / SSH by IP address ...
1
vote
1answer
135 views

192.168.x.x with Subnet 255.255.0.0, would like to link with 192.168.2.x with subnet 255.255.255.0 [closed]

Is it possible to connect these two networks together, without changing the subnet? For example by putting a router in between. Network A IP :192.168.x.X Sub :255.255.0.0 Network B IP : 192.168.2....
1
vote
1answer
274 views

Can you bypass a proxy server with a LiveCD/USB or Virtual Machine?

It is possible? Let's say I have a Linux live CD or USB and I manage to boot from it.
6
votes
7answers
4k views

Sharing hardware resources through network: specifically RAM

I have two systems. One is a laptop and has 2 GB RAM while the other is a desktop having 8 GB RAM. Is it possible to share these resources so that both systems have 10 GB RAM? The ...
0
votes
1answer
3k views

Connect computer to external hard-drive using ethernet port

I have an old Seagate Central external hard-drive which has a USB-A and Ethernet port. It's meant to be connected to a router and accessed remotely; with the USB-A port used for chaining an ...
0
votes
2answers
285 views

If two computers use the same VPN can they be targeted with local IP addresses and avoid port forwarding?

If I am using a VPN and my friend is using the same VPN and has some program listening on a specific port on his computer, can I access that computer and port with a local IP address instead of having ...
2
votes
1answer
477 views

How can I make Ubuntu firewall rules ( ufw ) allow all traffic except…?

I'm new using Ubuntu and ufw command to set firewall rules. I have an apache service running and I'm able to deny the access to the root path using apache2.conf. I have another backend app running on ...
10
votes
1answer
1k views

Can't access rails server on VM from host

I have a rails server on virtual machine and I need to access localhost from host. I've tried both NAT (by port forwarding - port 80 and 3000 on the guest side) and bridged adapter but nothing seems ...
0
votes
2answers
2k views

Moved to the 5 GHz band but my old devices don't see it

With the 2.4 GHz band totally cluttered and delivering worst speeds, I went ahead and bought a (5 GHz) dual band router. But the problem is that my older devices like a Vizio TV and an Android TV box ...
4
votes
1answer
159 views

How to share via TCP serial port CAT

I want to connect my amateur radio transceiver to a linux (Ubuntu) computer with USB cable (serial port (in windows should be COM3 or COM4) like /dev/??? ) and share it locally with TCP, Is it ...
1
vote
1answer
67 views

Connecting to a Folder on a Different Partition Using AFP or SMB

I'm in the process of setting up a DeployStudio system. Part of the requirement is that the server be able to connect to a Repository of files. On my server, that Repository is located on the ...
3
votes
1answer
331 views

Create Server on VirtualBox visible from outside, host is not behind router

I am trying to create a web server on a Virtual Machine. I would be happy even if I could access it with something like http://xxx.xxx.xxx.xxx:[port_no] Everything is installed but the step of facing ...
2
votes
3answers
204 views

Use dd to backup device over the network

I have a Raspberry Pi connected to the network along with a USB stick. Is it possible to use the dd command on my Raspberry Pi and automatically upload the iso to my Mac? What I mean is on my pi ...
2
votes
2answers
1k views

Which configuration files affect the routing table of a Debian system

As far as I know basic network configuration goes into /etc/network/interfaces and the system generates the routing table from these information. I was also taught that in general /etc/network/...
1
vote
1answer
518 views

Expect script for telnet communication with DLink router

I am trying to connect to my router through telnet using this script: #!/usr/bin/expect -f set timeout 20 # router user name set name "admin" # router password set pass "admin" # router IP ...
0
votes
0answers
483 views

Enabled IPv6 Nic causes network connectivity issues

I am having issues with network connectivity while PC NIC's have IPv6 enabled. My organization does not utilize IPv6. Actually, the network admins here don't have any clue how to. I have come to the ...
1
vote
1answer
7k views

How to remotely get computer cpu and memory usage?

I have multiple computers on my network (each of them running Windows 7), and want to remotely get the usage statistics (total CPU and memory usage of the computer) for them without actually having to ...
0
votes
0answers
18 views

Is it possible to disable windows network bridge remotely?

I have a virtual server with Windows Server 2012 system and a Debian Linux in VirtualBox within it. I accidentally set a network bridge between the internet connection and the VirtualBox host-only ...
0
votes
1answer
97 views

2 Routers 2 ISPs 1 DNS, Hiding DNS requests

Firstly I am going to explain my network topology. I've got 2 routers serving separate ISPs and they are connected to each other via LAN and each one has its own dynamic IP and DNS by the ISP, my ...
1
vote
0answers
69 views

Delay packets sent through a given TCP port

What is the best way to purposely delay packets (by 10 seconds for example) uploaded to a given TCP port (e.g. 1935) on the RTMP protocol? The approach must work on Mac OSx Yosemite. I have tried ...
0
votes
1answer
23 views

How do you disable the use of internet on an adapter?

I'm connected to the internet through wifi. I'm also a VPN client and on the other end there is another internet connection. Ever since I joined the VPN I'm getting derpy download speeds and high ...
1
vote
1answer
90 views

Can I use crossover with a gigabit switch to play games over LAN?

I was wondering if it was possible to use a switch to play games that use a LAN connection with my family. I know that the game I want to play works with a standard Ethernet cable from one Intel NIC ...
0
votes
3answers
442 views

ESXi + pfsense traffic segregation

I'm kind of new to setting up networking with ESXi and working with pfsense, so please excuse if this cannot be done or I'm asking something the wrong way. I'm using ESXi 5.5.0 and I want to host ...
1
vote
2answers
328 views

Route all Ubuntu traffic to Windows 7 Virtualbox with Juniper VPN

I have to use Juniper VPN to connect to my company's VPN. Unfortunately my company doesn't allow connections directly from Ubuntu. So I have a minimal Windows 7 VM in VirtualBox and run Juniper from ...
1
vote
0answers
63 views

Router changed SSID on 2.4GHz frequency only, 5GHz stayed the same

We have an ASUS Black Knight Router RT-N66U with firmware version 3.0.0.4.374_720. It was running with dual bands in two frequencies, 2.4GHz and 5GHz, each with the same SSID. However, one of the ...
0
votes
2answers
82 views

Can a company's IT Department see the downloads of its clients?

If you are sitting in the IT department, is it possible to view or see the downloads (ex. mp3, video, pictures off Google) of a client, for example, of an employee in another department (same building)...
0
votes
1answer
145 views

How to autoconfigure IPv6 route

I configured a simple router that should provide IPv6 connectivity to machines that are on LAN behind it. The router has 2 network interfaces (eth0, eth1), machines have 1 (eth0). On router's eth0 is ...
1
vote
0answers
56 views

How to access a C: drive of one PC from another, that is on a different network?

I'm trying to connect to another computers c: Drive that is on a different network. To be clear: 2 computers connected to two different routers and those routers are connected to each other with ...
1
vote
1answer
293 views

Clients from multiple subnets can't simultaneously connect to server

I have setup servers for several games in the past where either players from outside my local network could join, or players from within my local network could join, but not both at the same time. ...
-1
votes
2answers
33 views

Why are my pings to websites now being timed out?

Only recently, pinging a website through the CMD will result in a timeout for all four attempts. As I mentioned, this has only started happening within the last week or so. Before I could ping google, ...
1
vote
5answers
325 views

Will I experience degraded performance on a Ethernet connection through a splitter if I'm the only user on the line?

I currently have a long wire ethernet chord travel from my office to my bedroom (the rooms are side by side), as I wish (It's a long ethernet cable wire). I went from a 1.9 MBPS to a 15.+ MBPS after ...
2
votes
2answers
127 views

Combine/merge multiple HSPA connections

For an project I am currently working on, I need to combine multiple HSPA connections to improve the end speed of the connection. I have multiple HSPA routers with each one simcard (all the same ...
1
vote
1answer
675 views

Multiple virtual network adapters with their own MAC address and external IP address from the DHCP in Windows

I have been searching for a long time on this forum, and although there are many questions about the topic, I wasn't able to get a concrete solution to the problem. I want to have multiple IP ...
0
votes
1answer
60 views

When using old SSD on a new laptop, the internet cannot connect

I recently bought a new laptop, and I just took the SSD from the old laptop and use it in the new laptop. So I didn't reinstall windows (8.1 64 bit), it's still the old one, but I did install all the ...
0
votes
2answers
29 views

Understanding a computer providing a bridge to the Internet

Where I work we have a very old Linux machine that is doing our DNS/DHCP and other network services. That machine is our Default Gateway and all internet connections go through this computer somehow. ...
0
votes
1answer
33 views

Unix Networked Display

I'm setting up a space for a group at school where we can do meetings and presentations. We have a few large displays that I would like to be easily usable over the network. We already have a server ...
-2
votes
2answers
113 views

What type of information does HTTPs make private from an ISP? [duplicate]

How private is HTTPs to an ISP? For example, Can my ISP know the entire URL (Not only the domain) while connecting to a website with HTTPs? Can my ISP see images loaded through a website connected to ...
0
votes
1answer
104 views

IPSec tunneling mode vs transport mode vs transport+L2TP

According to many docs, transport mode should be used in host-to-host IPSec, while tunneling is used to connect gateways and L2TP is used for remote access. But nothing prevents me from using ...
1
vote
1answer
2k views

Firewall Throughput vs. UTM Throughput

I want to buy a new rack-mountable router with wireless capabilities. I was checking out the (Netgear UTM-25S. This router has a "firewall throughput" of 980 Mbps but a "UTM throughput" of only 24 ...
1
vote
3answers
13k views

Will my internet speed decrease if I connect two routers together?

I have ethernet connection and its connected to a router and then to my computer using the LAN port of the router . Everything is fine but the router is kept on another floor and thus , I cannot use ...
0
votes
2answers
337 views

iptables subdomain port forward

Hello i know i can setup iptables to forward to an other ip when a port is given Example: user enters domain.com and it shows site other user types domain.com:28015 and it connects to a game server ...
0
votes
0answers
94 views

VPN between a Server, a Raspberry Pi and a Smartphone

here's the problem I'm facing. I want to connect with a client (eg. smartphone via mobile network) to my server (which is connected via vpn to my rapsberry at home) so that I can access my home ...
1
vote
1answer
139 views

Connect LAN-device to iMac socket and have internet (through WiFi) on LAN-device

I have an iMac which has internet through WiFi. I also have a VOIP-phone with only a LAN socket (no WiFi adapter availalble). I would like to connect my VOIP-phone to the LAN outlet on my Imac, and ...
0
votes
2answers
121 views

How to access a web interface on my NAS backup unit which is on our server's internal network

I hope anyone can help me with this The setup: We have a few hosting servers. There are webpages of our clients. We also have a backup unit with web-based control interface. The backup unit is not on ...
0
votes
2answers
45 views

How are mac address shared between initiater and target?

If there is a successful TCP/IP connection between two servers in internet layer and the source address and destination mac addresses are attached to the TCP/IP packets, then how are the mac addresses ...
2
votes
2answers
251 views

How to get and install g723 codecs for sip applications?

I install an ubuntu desktop in my company network (windows network) that use SIP on software phone and hard SIP phones. I use Jitsi that is a good client for SIP and works well with others software ...