A firewall is a piece of software that controls what connections can be made to and from a network.
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2answers
29 views
port listening and home router security
I have a Dishtv receiver with sling adapter. The receiver is connected to my router.
The router is a netgear DD-WRT flashed router.
I was told be a dishtv rep that the router use port 80, 443 and ...
-1
votes
1answer
24 views
Work VPN only slow on at my house
I am connecting to my work VPN from home. It is EXTREMELY SLOW. network admin and sys admin see no issues on the VPN side. IE, it is working properly from them when they are on the vpn and the ...
0
votes
1answer
24 views
Chrome is not on the list of allowed programs on Windows Firewall but works fine?
I check my Firewall's list of allowed program and Google Chrome is not one of them but it still works, it can still connect to the internet.
I'm really confused. I don't know how this Firewall ...
0
votes
1answer
15 views
Allowing a port through my firewall doesn't work
I've been trying to forward port 1604. When I disable my firewall canyouseeme.org says the port is open. When I turn it back on, it says it doesn't work.
I have port 1604 allowed in my my firewall ...
0
votes
1answer
23 views
How do I drop the entire INPUT chain from iptables?
On Linux, I've been building a malicious IP list. I assume the DDOS is now gone. How do I drop the entire INPUT chain from iptables, without affecting the FORWARD or OUTPUT chains?
0
votes
3answers
29 views
Multiple web servers behind a single firewall
I have multiple web servers behind a single firewall (SVN, Exchange, etc.). I want to be able to access all of the various servers remotely, but since they are All using the same port (the standard ...
1
vote
1answer
24 views
SSH Port closed although forwarded correctly
I'm having an issue with opening my SSH port. Here are the symptoms.
Within the local network I can ssh to the machine, including both locally (ssh localhost) and from alternate computers.
I have ...
0
votes
1answer
19 views
How to disallow clients of a router to connect each other
Having a regular wireless/router (ADSL router), Can I prevent clients to connect eachother?
My server has ip 192.168.1.2, Wireless router has 192.168.1.1, And clients will have 192.168.1.3~255
How ...
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votes
1answer
42 views
Can't access website hosted on my computer from LAN
I am trying to access my webserver from another computer and from mobile over local network using IP of host server.
I figured out that its not the problem of sever specific as I already tried ...
0
votes
0answers
22 views
configure Sophos UTM 120 (v9.0) to run with Bit Torrent Sync
Okay so I'm at a loss on this
I've put all my clients on the inside of the network on the same listening port
then i've added a firewall rule saying internal network -> BTSync port -> any
and i'm ...
0
votes
0answers
22 views
How to see which program is sending malicious output traffic with ZoneAlarm?
I recently installed ZoneAlarm on my PC and in computer protection I see some output traffic has been blocked. However, I can't see which program is sending that traffic. How can I identify the ...
0
votes
0answers
32 views
can firewall send RST packets in response to a TCP SYN?
I used tcpdump to capture packets on a host 6.23.33.44 when a program on it sends some TCP packets, these TCP packets are crafted using raw socket. So, actually there is no tcp connection between ...
0
votes
0answers
28 views
Windows 7 Firewall whitelist rules IF(WIFI.ID == “myWifi”)
The Background:
So I have that backup internet connection with 200mb limit (my phone can do tethering so my PC sees new wifi network called "BackupConnection")...
I'm using VMware Player to work on ...
-1
votes
1answer
30 views
Linux based firewall router and media server [closed]
I hope I am posting my question follows the rule and is valid for this site.
I am starting a small project of creating a all in one system which will be provide me a gateway to internet and also be ...
0
votes
0answers
17 views
I'm receiving an unusual error when I open up Windows Firewall
Today, when I tried double clicking Windows Firewall through Control Panel, it wouldn't open the window. I also searched for Windows Firewall and was able to access Windows Firewall with Advanced ...
-1
votes
0answers
35 views
Windows media stream to Philips TV / Firewall interference
My setup is as follows:
PC (dell, windows 7) coupled to router via LAN, TV (Philips 6000-series) coupled to router via LAN, laptop (dell, windows 7) coupled to router via WLAN.
I'm trying to stream ...
0
votes
0answers
30 views
Block IPv6 with windows firewall when connected to VPN
I found an article on how to block IPv6 with windows firewall but will this work when connected to a VPN? Dosn't the VPN tunnel through the firewall?
F.eks if I add these rules to windows firewall:
...
0
votes
1answer
29 views
Apache server on win7 cannot be accessed outside of localhost
I have installed the apache-tomcat server on my local win7. The port I specified is 9999.
I can access my service by http://localhost:9999 and http://myIPAddress:9999
But I cannot access my apache ...
0
votes
1answer
35 views
UFW is active but not enabled why?
I was trying to setup a firewall in my Ubuntu 12.04 machine. After some struggling I got the following. Isn't this sounds a bit odd?
thomas@thomas-K40IJ:~$ sudo ufw status verbose
Status: active
...
1
vote
2answers
19 views
What are the essential firewall configurations for a newly live CentOS web server?
I've newly got a CentOS server from Linode.com which I'm using as an Apache web server with the LAMP stack.
I notice that the firewall is enabled by default but doesn't seem to have any active rules.
...
0
votes
0answers
27 views
Import Export specific Windows Firewall Rule
How do I Export and Import specific Window Firewall rule (both Inbound and Outbound) ?
I can do Import / Export policy but it will use ALL rules not specific rule. Same with Export List, it can ...
-3
votes
1answer
50 views
When using a VPN (for anonymity) can other computers “see me”? [closed]
Just as I connected to the VPN, ipredator, allshare (sharing server from samsung, so tv can access stuff on computer), came up with a warning about azereus was trying to access my stuff. I don't have ...
0
votes
0answers
14 views
Windows Vista SP2 firewall blocks ports again
My System is using all available updates / patches.
I am developing of server software which open a specific TCP port, so the Vista firewall asks for permission which I grant.
Later I start a ...
0
votes
0answers
25 views
Windows 7 Security setup with firewall
Sorry if this is a repeat, but I have been searching the forums and haven't found an exact answer for my question.
I have had some security concerns on my home network lately so I decided to take a ...
2
votes
1answer
50 views
Completely disable internet connection except for browser and bittorrent
I need a simple software that ideally needs minimal configuration that will completely block all incoming and outgoing internet connections on my computer, with the exception of a browser (Firefox) ...
0
votes
1answer
33 views
How to open up firewall for incoming Remote Desktop connections in Win 7?
How do you open the Win 7 Firewall for incoming Remote Desktop connections?
I get this message in System Properties:
1
vote
2answers
54 views
why I can't use external proxy in an internal organization?
Many organizations use an internal proxy. If you select that proxy you can use the Internet with their restrictions & filters.
My question is, can I use an external proxy like what I can do in ...
-1
votes
1answer
22 views
Web host keeps blocking server feeding me XML via POST request [closed]
I recently set up a site on a web hosting provider.
The purpose of the site is to receive XML messages (via POST) from satellite comms data centre and store them in a database. Frequency of the ...
1
vote
1answer
82 views
Window 8 machine cannot ping devices on same subnet
After returning from vacation during which several Windows updates were applied and my router suffered a hard power cycle, my Windows 8 Desktop can no longer ping other devices on the same subnet. ...
1
vote
2answers
179 views
linux routing outbound port 80 traffic via ssh tunnel, iptables, or a simple route
I have two hosts, A and B. Host A hosts services on port 8080 and has outbound internet firewall rules allowing port 80 and 443 access to Host C.
Host B is on the same subnet as Host A. Host B is ...
0
votes
1answer
52 views
using iptables to prevent RST related to a specific port
I have a program which uses libpcap to capture incoming TCP SYN packets, these SYN packets are destined for a specific port.
But I have no tcp listening socket for that port, so in practice, the OS ...
0
votes
0answers
34 views
Need To use SKYPE Through firewall [closed]
At my place FORTINET firewall is installed . It has blocked the Skype ! ... I mean I am unable to login into it . I have the Software installed on my Edubuntu 12.04. Can I sneek through this firewall ...
0
votes
1answer
82 views
How to access NodeJS server on LAN?
I'm not the most knowledgeable guy ever with networking, but here goes...
I've created an application with NodeJS and I'd like to test the application on my LAN with my family. The application ...
0
votes
0answers
39 views
Redirect a URL Reqeuest passing through Palo Alto Firewall?
There's a small problem with my network in that, when phones/tablets are connected to our wireless routers here, they cannot access the mail server. Outside of our network, they can access it fine.
...
0
votes
0answers
33 views
Remotely managing Hyper-V 2012 firewall in workgroup
I'm trying to manage my workgroup Hyper-V 2012 machine from my domain joined Win8 Pro client (Server Essentials 2012 domain for which the server is offline - waiting to be restored to the hyper-v ...
2
votes
2answers
84 views
How does telnet get through the windows firewall?
I activated the Telnet client in Windows 7 and was instantly able to connect to servers although Windows Firewall is activated.
How does that work? Shouldn't the firewall block outgoing connections ...
0
votes
1answer
199 views
What Does This Windows Firewall Rule Do?
I found and implemented this code that adds a rule to Windows Firewall. It supposedly speeds up YouTube streams. Can someone explain what is does in terms of request/response? I'm not seeing any ...
1
vote
2answers
235 views
IPtables Rules to Block IP Range
I've applied the following rules from a text file called "iptables.save" to iptables.
But to my dismay, I found that the ip address 107.22.26.176 is still able to access my server via TCP.
What did ...
1
vote
1answer
32 views
What does Windows Firewall do if I don't add a specific firewall rule?
Suppose I have a program which needs to connect to the Internet in order to work. Let's also say that I only want this program to communicate on private networks, so I add a firewall rule allowing it ...
0
votes
1answer
75 views
How to allow access to only specific IPs with Parallels VZ built-in firewall?
How can I use Parallels Virtuozzo's built-in firewall utility (called psa-firewall under the hood apparently actually psa-firewall seems to be a seperate Plesk interface - either way, it's basically a ...
1
vote
1answer
52 views
Sandboxing Windows7 apps
Are there any software packages, that allow to selectively limit filesystem access for each application? Do they have significant impact on system performance?
1
vote
1answer
21 views
Delete a previously added rule in ufw
I created a firewall rule for an application and put into /etc/ufw/applications.d, added that rule with command
sudo ufw allow MyApp
but now I cannot delete it. When I do
sudo ufw delete MyApp
...
0
votes
0answers
19 views
what mechanism does personal firewall (e.g. Online Armor) use to block domains?
Online Armor has a config interface where blocked domains may be specified with wildcards, and it does seem to block them at least for loading pages in browser. But my question is, how exactly does it ...
0
votes
0answers
16 views
How can I view the web accessed through the firewall?
My company has a flash application with dynamically updating content. From what I can tell—I, of course, do not have the source code for the flash application—the flash application uses a type of GET ...
0
votes
0answers
27 views
How to use sSMTP with CSF?
If CSF (ConfigServerFirewall) is off I can send mail using sSMTP (SimpleSMTP) (via Gmail), but when I turn on CSF, sSMTP doesn't send mail, it just hangs.
When I use watch netstat -a then try to send ...
3
votes
1answer
56 views
How can I check what outbound ports are allowed in a network?
On some networks (primarily corporate ones), the firewall restricts outbound connections to some port number. The allowed ports generally comprise of port 80, 11, 443, etc.
Is there a way I could do ...
0
votes
0answers
20 views
Can I setup a LAN Proxy for Linux on Windows 2003 server while it is connected to another proxy
I have a windows domain. Computer A is the proxy Server. Computer B (Windows 2K3) connects to internet via Computer A (Password Protected). Now I have Computer C (Ubuntu server 12.10) on the same ...
0
votes
0answers
28 views
VPNing into local home network
I have a FVS338 Netgear firewall. Am I able to VPN into it and then access my local network with a remote desktop connection?
Also, how do I get the initial VPN connection?
0
votes
1answer
124 views
Anonying Firewall - Still cannot access banned sites like facebook even via SSH tunnel through SOCKS 5 Proxy
I'm in some un-named country and I connected to my SOCKS 5 Proxy via an SSH Tunnel which is located in the US. I tried to visit facebook via the browser, but it just times out. But when I ping ...
0
votes
1answer
67 views
UDP packet and firewall
I notice when I send udp packets from computer A to computer B,
B can receive the upd packets correctly
but if I send udp packets from computer B to computer A
the udp packets are not received
A and ...
