A firewall is a piece of software that controls what connections can be made to and from a network.

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How to configure Windows Firewall to allow all ports in use by IIS Express

My understanding of this technet article, per the page that brought me there*, is that I can configure the Windows Firewall to allow all inbound traffic on any port being used by a specified ...
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501 views

Remote desktop on custom ports

We have an office with a Windows 2003 SBS server and a couple of workstations. I set up Microsoft remote desktop for each of the computer in such a way that anyone could remote into the computers ...
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35 views

Why is the Windows firewall not blocking outbound ports?

I use the following rule to block all outbound communications to remote 80 ports. I want to use this approach to prevent web requests initiated from this computer. But it seems I still can access web ...
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0answers
17 views

How to make my local tomcat server accessible to www?

So I have my "Hello World" Java project, using Intellij Idea, tomcat 7 is running. OS Windows 7. When I go to http://localhost:8080/ from my PC, it works fine. Now, I want the world to see my ...
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22 views

Change the insecure default to restricting scope to LAN, for adding exceptions to the windows 7 firewall?

My network is generally set to Home or Work, i'm not commenting here on Public. I understand that with Home or Work, the Private firewall profile is used. I have noticed that with the Windows 7 ...
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99 views

What might be causing specific IPv6 HTTPS servers to send an excessive number of RST packets?

Client browsers on my IPv6-enabled home network hang and time out when attempting to load https:// URLs from specific IPv6 sites, such as ones operated by CloudFlare. In those situations, the live log ...
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1k views

Windows 8 firewall blocks browser downloads

I have a curious issue with the windows 8 firewall. When using chrome and internet explorer for hotmail I can't download word or pdf attachments. I also tried to download adobe reader with with ...
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321 views

How can I get Apache on OSX 10.8 to serve up a directory under a user home directory?

There might be more than one problem here, but I got my Mac back from the shop after the hard drive was failing, and the new hard drive reproduced my home directory but not httpd.conf. Since I have ...
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790 views

Firewall blocks ICMP even with Allow rules, even when disbled

Sometime early October (right after update Tuesday???). My Window 7 home machine stopped responding to anything incoming. Effectively breaking iTunes, Sonos, TiVo Desktop, RDP etc. But all those ...
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1k views

How to open a server port outside of an OpenVPN tunnel with a pf firewall on OSX (BSD)

I have a Mac mini that I use as a media server running XBMC and serves media from my NAS to my stereo and TV (which has been color calibrated with a Spyder3Express, happy). The Mac runs OSX 10.8.2 and ...
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340 views

Can I get UDP Hole Punching with (any) VNC client to get around the local firewall/router?

I don't have access to the local internet router, so I'm unable to setup port forwarding on my lan connection. I'm just trying to find out if there is any way for me to get around my local router ...
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1k views

None of the clients of LogMeIn Hamachi mesh-network are reachable

For some reason my Hamachi network stopped working. Here is what I have Version of the Hamachi client is 2.1.0.122 It's "Mesh" network. I have 7 clients, 3 of them are online right now. All clients ...
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746 views

How do you add a MAC-based routing whitelist with DD-WRT and the OpenVPN client?

I have an OpenVPN client set up on my DD-WRT home router which maintains a VPN into my workplace. Slight problem: I don't want random lusers who access my wireless AP to have access to my company's ...
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18 views

Connect to SQL Server. Error 26 : the type initializer threw an exception: error locating server instance specified

I have a SQL Server 2014 Express installation. It is configured for Remote connections TCP is activated mixed mode Authentications are allowed and the server firewall is deactivated My program ...
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33 views

How to configure iptables to set public IP for outgoing traffic from private IP

I have multiple public IPs at home: 1.1.1.1 (main IP) 2.2.2.2 (additional IP) In my local network, I have two computers, let's say 192.168.1.1 (PC1) 192.168.1.2 (PC2) Infront of the computers I ...
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22 views

On Comodo Internet Security to restrict an application

I've installed Comodo Internet Security a couple of days ago on Win 7 64bit Home Premium. One of the features is Defense+ and Auto-sandbox with specified level of restriction. Recently I have ...
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82 views

Connect to nodejs through public ip address

I have a basic node express app running on port 3000. I can access it via 127.0.0.1:3000, my private ip is 192.168.1.2 I've set up portforwarding in my d-link router as followed: Private IP ...
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35 views

Restrict Hamachi Gateway Scope / Ports

A client wants to make a couple of websites intranet-only, but still allow access at about 30 outside locations. Hamachi gateway would work nicely for this, but I do not want those computers to have ...
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139 views

Blocking Incoming IP With Win 7 Firewall

This question was asked before, but the answer is not working for me and the rules of this forum say do not respond to answers, so I am asking again. I went through the following process on the Win 7 ...
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22 views

port forwarding in windows

I need to forward all incoming traffic on specific port to another port on the same device "locally not proxy", and all outgoing port traffic. in Linux it is possible using iptables I used NAT chains ...
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35 views

Is it possible to restrict access to certain URLs for individual programs?

I have a certain use case where I want to whitelist a list of URLs that a certain application can access. In other words, I want to sandbox it, but don't have access to blocking or white listing those ...
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156 views

Firewall Block all outgoing connection

I want to block all outgoing connection. I have created a custom rule: C:\Windows\System32\netsh.exe advfirewall firewall add rule name="blockout" dir="out" action="block" enable="no" ...
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263 views

Conntrack/NAT's port mapping for a specific port breaks whenever that port's service is shutdown for too long. How can I fix this?

Linux Gentoo 3.13.6-hardened-r3 #1 SMP Sat Apr 12 09:17:25 EDT 2014 x86_64 Intel(R) Core(TM)2 CPU 6300 @ 1.86GHz GenuineIntel GNU/Linux hardened with grsecurity and selinux with a strict policy in ...
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242 views

Is it possible to route all traffic on VirtualBox host adapters to guest?

I am upgrading Ubuntu 8.04 on a dedicated router/firewall/NAT/SMTP/SSH server with a current Linux (Debian Wheezy). I am using VirtualBox (4.2) with Ubuntu 8.04 as host and the new Debian build as ...
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55 views

Juniper Firewall setup

I bought an old Juniper 5GT firewall simply to do some port filtering. I have set the device up in a DMZ zone of my home network, there is a server behind it and it has been assigned an IP by the ...
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180 views

Setting up Windows Firewall to only allow local traffic for specific port

I have spent the past few hours trying to figure out how to use Windows Firewall on a Windows 7 Home Premium computer. From what I can tell, it was definitely designed for computers in business ...
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514 views

Opening port on mac os x (mavericks) for nodejs

I am running a node.js app locally and would like to make it available for demo for outside world. It is running on port 3000. I have added node to the firewall to allow incoming connections but ...
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226 views

Secure reverse UltraVNC connection to bypass firewall

My clients and service run on mostly Windows 7. I need help setting up a secure reverse connection with UltraVNC between me and a client.(Me=Viewer, Client=Server) Here is my situation: I want to ...
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80 views

Setting home computer as www web server

I know I'm seriously missing some steps. I need to set my home Fedora 19 running computer as a web server and available it to internet. Its behind a normal home broadband modem connection. my ip ...
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464 views

Is Comodo Firewall and Zonealarm Firewall compatible with avast free 2014?

on windows 8.1 currently using avast free antivirus 2014 ,is it possible to use free firewall like comodo or zonealarm with it simultaneously with avast?After installing any will problem occur?
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133 views

Any way to see ddwrt logs with website/PC names etc?

We used to have a dlink dir655 router that had logs in the interface. The logs were simple,easy to read, and had the name of the computers, iphones, etc on it. This made it easy to pinpoint who was ...
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254 views

Cannot fetch urls from outside the browser

I am trying to clone a small repo on my Windows 7 PC using 'msysgit' bash command like as follows: talha.ahmed@ICE-088 /d/talha.ahmed/workspace/repos $ git clone https://github.com/torvalds/linux ...
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74 views

Windows - MAC address whitelist on wired network?

In Windows (XP or 7), is it possible to configure either Windows, a software firewall, or network cards such that the computer will only communicate with specific known MAC addresses (e.g. the MAC ...
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321 views

SMB over SSH port forward

I know that since SMB is not secure, opening port 445 on firewall makes your computer vulnerable. To secure my connection, I want to run a SMB mobile app via SSH. Would I still need to open port 445 ...
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54 views

My new computer is blocking access to my webserver when in use

I have been running a web server for a while. It is hosted using lamp on a computer that I have running Ubuntu and has worked fine until recently. I got a computer that runs Windows 8 to use as my ...
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2k views

Can't connect to qbittorrent (or other client) Web UI, except through localhost

I'm trying to use qBittorrent's (I've also tried other torrent clients') remote Web UI, but can't seem to get it to work. I can connect just fine using http://localhost:PORT, but can't connect using ...
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75 views

Define IPTABLES rule

I am working with a linux based UTM appliance and have some disagreement with the client on the operation. THere is a standard GUI to configure port forwards in the firewall but for some reason he ...
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146 views

Is Windows Firewall active on OpenVPN connection?

(This applies to "private" Internet browsing through a VPN such as privateinternetaccess.com) If I connect to a VPN using OpenVPN client on my Windows 7 box, will the Windows firewall be active ...
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188 views

How to access Ubuntu local web server from a different apartment

I have set up an Ubuntu Apache web server with a four years old laptop. And my web application needs to be used from a different apartment, from my ground floor shop. Actually, I'm an intermediate web ...
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83 views

Possible Firewall Issue

WHen I try to access the internet through IE with the follwing proxy details , I am able to access ineternet succcesfully Proxy : MyProxy , Port: 88 But when I try to access the same ...
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38 views

Security concerns with Open port

I am developer not an administrator. That's why i am here to get expert's views. My setup is of webform of 5 windows 2008 servers behind Cisco ASA5505 firewall. I have written a small application ...
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302 views

I need some help proof reading my IPtables rules, my rules seem to work but I cannot be sure

Like the title says, I need some help proof reading my iptable rules, my rules seem to work but I cannot be sure. My set up is as follows: ISP ---> cable modem ---> Ethernet switch ---> ...
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399 views

OpenVPN works locally but not publically

Main Problem I can get OpenVPN to work when I use all local IP addresses but when I try to connect the client to a public address, it doesn't work. I'm following this guide: ...
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340 views

Shared Folders - Network Resource not Available

We have five computers (example "COMP1", "COMP2", etc.) at a remote site hooked-up to our domain. Each computer has a shared folder which gives full permissions to the local administrators group. To ...
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152 views

Change UDP port with iptables for VPN clients

What I want to do is say that for all UDP connections on interface ppp0 that have a destination port of 53, change that destination port to 1053. I am attempting to change the destination port of UDP ...
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224 views

Route traffic from one port to another machine in LAN

I would like to remote desktop to my work computer using hamachi. The hamachi connection works fine and i can use remote desktop but when my session is over hamachi disconects. I was thinking i ...
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150 views

How to unblock jabber on TI ADSL router with iptables

I have old but reliable Texas Instruments ADSL router. Board AR7RD; BUILD=061005; VERSION=3.7.1 If that matters... One thing that bothers me is that it somehow blocking my jabber (Pidgin ...
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471 views

How do you allow a specific IP Address to bypass your firewall. OS X

Well, my young cousin really likes minecraft. He comes over and spends time with me every now and then. When he does, we usually play minecraft, as it is one of the few games I actually like. Anyway, ...
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45 views

GUI tool for presenting connectivity status on a firewalled network with port blocks etc

The Israeli railway company has recently started a project of wireless LAN availability on its lines. Now, it's all in the flakey stages, sometimes things are up and sometimes they aren't; sometimes ...
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138 views

Block access to certain applications on certain internet connections

I have two internet connections, a LAN and a 3G modem on a Windows 7 machine. The LAN is connected to a Edimax router which is conneted to the ISP (with their own modem). Now, the Edimax router is ...