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

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2
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0answers
921 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 ...
0
votes
1answer
317 views

Firewall rule for ClockworkMod Tether

After 2 hours for googling, I finally for ClockworkMod tether to compile and run on Fedora 17 x64. Only catch is I have to disable firewall when I am running it, and I am not comfortable doing that. I ...
0
votes
1answer
127 views

Automate Windows Firewall “Restore Defaults”

I have several computers that are deployed in my network right now. THey were deployed with a strange issue not allowing remote assistance. The 'fix' is to click the "Restore defaults" link in the ...
4
votes
2answers
624 views

Would there be any problems with DEP turned off?

I recently moved to a fresh Windows 8 x64 system and I learned that my favourite firewall (JPF - Jetico Personal Firewall) doesn't get along with Win8x64 (CRITICAL_STRUCTURE_CORRUPTION errors), but I ...
0
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0answers
23 views

Executable jar file blocked by Windows Firewall [duplicate]

Possible Duplicate: How to programmatically allow an executable JAR file through Windows Firewall? I have created a program in Java that uses an FTP connection to download files. It works ...
0
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4answers
4k views

How to programmatically allow an executable JAR file through Windows Firewall?

I have created a program in Java that uses an FTP connection to download files. It works just fine when I run it in Eclipse. However, when I export the project to an executable JAR file, the program ...
1
vote
1answer
884 views

How to access google/github respository behind VPN?

I cannot check out both code.google.com and github projects via git, but I can normally access them from IE/Firefox browser. There were a lot of discussions about git proxy configuration behind ...
0
votes
1answer
132 views

Multiple interface issue

We have an externally-accessible subnet on which all our desktops and a few servers sit. Due to a lack of IPs, we put the servers (which don't need to be externally accessible) on a private subnet and ...
2
votes
1answer
2k views

Block IPv6 Traffic using iptables on Linux using Layer 2 info

I have setup a simple isolated network consist of following Linux based machines: Node1<---->Router<---->Node2 Router's eth0 is connected with Node1's eth0. Router's eth1 is connected with ...
5
votes
1answer
440 views

How did Google get on my Mac?

Am running a MacBook Pro, and have never installed Chrome, Google Earth, or anything blatantly Google. Just installed Little Snitch (are there no good free firewalls for Mac?) and see that CURL is ...
0
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0answers
2k views

Ports not forwarding & UPnP not working on SonicWall TZ210

I have a REVO DVR system behind my SonicWall TZ210 firewall and have ports 8200, 8016, 12088, and 10019 forwarded to the DVR system. However, when I connect remotely the ports are not forwarding to ...
1
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0answers
175 views

Cannot properly use Gigabit LAN, firewall & switch, home network

I have a netgear prosafe 8 port vpn gigabit firewall and a netgear prosafe gigbit 8 port switch on my home LAN plus a UBEE cable modem. The connectivity of these devices are as follows... ...
2
votes
1answer
627 views

PureFTPd is using ports above 50000 even with PassivePortRange specified

I have installed the pure-ftpd package with PureFTP 1.0.24 on Ubuntu 10.04 using apt-get. Even though, this is the default port range, I've added the file /etc/pure-ftpd/conf/PassivePortRange ...
1
vote
1answer
493 views

Configure Firewall so that server can't be used for SPAM [closed]

So, my ISP unblocked port 25 for my IP, and now my email server is being used for sending spam. I just need it to work only from my localhost, and thats it. How do I configure Windows firewall to do ...
1
vote
1answer
286 views

How can I block all internet connections except the Microsoft Update website?

I want download updates for Windows XP. Until all updates have been downloaded, my computer will be more exposed to hackers. How can I block all internet connections except those to/from the Microsoft ...
5
votes
1answer
1k views

Remote Desktop access Windows 7 system from Windows 8

I have 2 windows systems... Windows 7 (192.168.2.8) Windows 8 (192.168.2.9) Both are connected to WiFi router. They have been assigned address 192.168.2.8 & 192.168.2.9 respectively. I have ...
1
vote
1answer
588 views

OS X stealth mode: where is it enacted?

I am working through the security guide from apple (which they did not update since Snow Leopard). In the firewall section it states that ipfw has a default allow rule: 65535 allow ip from any to any ...
1
vote
3answers
874 views

Hooking up sonicwall to 2WIRE router — Initial configuration

Tomorrow I have a client who needs some help configuring his sonicwall firewall and his 2wire modem. He experienced a temporary power failure which reset the modem back to factory defaults. My ...
0
votes
1answer
59 views

Windows 7 Firewall Resources [closed]

I was trying to understand all the reasons for a program to ask the user to accept it at the user's firewall. What resources do programs need that cause them to ask for the user permission to pass ...
2
votes
2answers
64 views

Certain banking pages not loading

For some unknown reason, I am suddenly unable to access my accounts at several banking and credit sites. I have been a registered user at each site for several years and know I am using the correct ...
1
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0answers
251 views

Windows Firewall with Advanced Security Block certain IP's on port 21

Windows by default blocks all IP's. I think I made it so that now my advanced firewall is allowing all IP's, but when I add a block rule it doesn't actually block the certain IP. I am using FileZilla ...
6
votes
2answers
2k views

SSH Tunnel doesn't work in China

Last year I was working in China for a few months. I never bothered setting up a real VPN, but just created a SSH tunnel, and changed my browsers proxy settings to connect through it. Everything ...
0
votes
1answer
257 views

Setting up DDNS server behind router and gateway

I set up a server using DDNS on my home network, and despite setting up port forwarding on the router it still doesn't work - attempts to connect just time out. However, I can access the web page ...
-1
votes
1answer
620 views

Monitor and view contents of incoming and outgoing internet traffic in Windows [duplicate]

Possible Duplicate: Software for measuring internet traffic? In the Chrome developer tools, I can easily monitor traffic that comes into and out of the browser. Is there a way to monitor ...
-2
votes
1answer
259 views

port 21 and 22 are open on a fresh install of mountain lion

I have Mountain Lion (fresh install as of today), I have also reset the router and it has no port forwarding or anything. There are no other devices connect to the router but just the mac. I did a ...
4
votes
2answers
10k views

How to use OpenVPN through a restrictive firewall?

I'm currently in the situation of attempting to setup OpenVPN on a personal VPS, for connection primarily through an overly restrictive firewall. All of the setups mentioned below work when used ...
0
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0answers
365 views

How can i make my Netgear WPN824V2 Router more secure?

I realize, in the research I have done so far, that the memory to import into this router is too low to run any custom firmware, it is updated to the current newest firmware. But my problem is that ...
0
votes
1answer
873 views

Multiple connection attempts per minute on udp port 1024 - What might be the cause?

Here's a small sample from my firewall log: Sep 24 14:51:04 server Shorewall:net2fw:DROP: IN=eth0 OUT= MAC=44:87:fc:8a:f2:c3:00:04:ed:dd:e6:4a:08:00 SRC=213.5.110.105 DST=10.1.1.3 LEN=131 TOS=00 ...
-3
votes
1answer
127 views

Firewall that allows everything except programs added to a blacklist? [closed]

I'm looking for a simple firewall that will allow all inbound/outbound connections for all programs except programs I add to a blacklist. Does anybody know of one? Also, it needs to be compatible ...
0
votes
1answer
1k views

How to block Spotify with Windows Firewall?

How can I block Spotify from accessing the internet with my Windows Firewall? (I use Windows 8. It has the same design as Windows 7.) I've tried adding an outbound rule to block ...
0
votes
2answers
2k views

Virtualbox SSH from Windows 7 (host) to CentOS (guest)

My network adapter is set to "Bridged Adapter". My CentOS (guest) IP is 192.168.0.4 and I am able to view Apache web server (port 80) from Windows 7 (host) but I am unable to SSH (port 22). I get ...
1
vote
1answer
2k views

How can I permanently allow a firewall rule in OS X Mountain Lion?

Since upgrading to OS X Mountain Lion, every time I restart my computer I am alerted Do you want the application "Growl.app" to accept incoming network connections? Even though I click ...
1
vote
1answer
908 views

How to transition to Comcast with static IP address

I have my own email server in my house, on a static IP address. I have had business DSL for over a decade, but I also now have Comcast business Internet. I want to transition from the DSL to the ...
0
votes
2answers
101 views

Is firewall needed for guest OS in VM? [duplicate]

Possible Duplicate: Should I enable Firewall and AntiVirus on a VirtualPC VM? I have good firewall on host OS (WinXP), Do I need additional firewall in guest OS (Fedora)?
-7
votes
2answers
2k views

School internet's firewall doesnt allow online games [closed]

My school network doesn't allow me to connect to online multiplayer games such as League of Legends and Guild Wars 2 probably because the firewall so my question is it there anyway to go around this ...
0
votes
1answer
331 views

Network bandwith monitoring per users [closed]

Please show me a fully open-source solution in this situation: Small network with about 30 pc with wireless cards. An Regular Asus wireless access-point which connected to the server. Server is a ...
0
votes
0answers
141 views

Network bandwidth & traffic monitoring [duplicate]

I have the following situation: Small network with about 30 PCs with wireless cards. A regular Asus wireless access-point which is connected to the server. Server is a normal x86 PC with Ubuntu ...
2
votes
1answer
7k views

How can I enable the firewall via command line on Mac OS X?

I can use the Security & Privacy preference pane to enable and disable the firewall, but how can I do it with the command line - something with defaults write maybe?
1
vote
1answer
42 views

Filtering downloading a file

I know there are several types of firewalls operating at different layers of OSI. ACLs(layer 3 firewalls filter based on port numbers and IP addresses), SPI(which examines the patterns of data at ...
3
votes
1answer
2k views

Windows 2008 Firewall - How do I restrict HTTP inbound to specific IP?

My goal is to restrict all HTTP inbound requests to a specific IP addresses. I thought it would be a simple process - but I am not getting the result desired I have modified a predefined rule called ...
0
votes
1answer
11k views

How to open a specific port in Moutain Lion Firewall

I cant seem to find how to open a specific port in the ML firewall? I know you can give applications permisiion, but thats no good to me. Is there a way I can specify a specific port?
1
vote
2answers
312 views

Where can I find a list of game servers so I can block them in the workplace? [closed]

Our company wishes to block all online mmorpg and other such games. I really don't want to block ports as sometimes some of the ports are used by our programmers testing our those ports. Our company ...
1
vote
1answer
1k views

mystery Internet traffic to port 445

Recently, I noticed traffic from the office network to TCP port 445 on the Internet [a]. Below are the Linux firewall log entries to Facebook's network [b] and Google's network [c]. I would like to ...
2
votes
1answer
238 views

Accessing a site using websocket behind University gateway

I'm trying to access lichess.org from the university network. I can access the site but when I try to join/launch a game, I keep getting reconnecting message. I emailed the admin and he told me they ...
0
votes
2answers
1k views

Unable to connect to Adobe Connect

I am having troubles trying to connect my colleges Adobe Connect. I have done the test meeting connection and it will say "Unable to connect". I have tried connecting on 3 other computers and it works ...
2
votes
1answer
1k views

Blocked outgoing SMTP socket connection in Windows

I have a private email sending application (Windows), which sends email notifications over SMTP protocol. This might look like a code question for StackOverflow, but it is not. The application works ...
0
votes
2answers
759 views

blocking port 80 via iptables

I'm having problems with iptables. I am trying to block port 80 from the outside, basically plan is we just need to Tunnel via SSH then we can get on the GUI etc. on a server I have this in my rule: ...
3
votes
2answers
1k views

How to prevent applications from modifying Windows 7 firewall policy

Basically I've set my Windows firewall the way I want it, but apparently any application can create it's own rule to completely override my settings. How can I prevent this from happening?
1
vote
1answer
195 views

Log is full of “stealth mode connection attempt”s

My daily log is full of messages like: 8/25/12 8:27:01.385 PM Firewall: Stealth Mode connection attempt to UDP 192.168.1.101:40959 from 109.254.109.20:1098 where 192.168.1.101 is IP of my mac. ...
2
votes
1answer
98 views

Strange router's firewall behavior on Linux

I have router, static ip and when I start Minecraft server on Windows, anyone can connect to it, but when I start server on Linux, only players from my local network can connect. And other players can ...