Tagged Questions
0
votes
0answers
10 views
shorewall - can't resolve hostname - unix
I'm tinkering with a network server trying to learn a few things.
So to get things started I installed shorewall as a firewall.
I've encountered a problem where I can't resolve the hostname from ...
0
votes
4answers
82 views
How to secure a Windows ME system connected to the internet? [closed]
I am about to re-install Windows ME on an old Dell Dimension 4300. The computer is connected to the internet via a 2Wire 3600HGV DSL modem/router.
What do I need to secure the computer?
Do I need ...
0
votes
0answers
26 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
18 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 ...
0
votes
0answers
27 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 ...
1
vote
1answer
35 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 ...
1
vote
1answer
59 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?
0
votes
1answer
84 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 ...
0
votes
0answers
28 views
Secure TCP based protocol through an application layer firewall
I have two networks, one considered secure, lets call it A and one considered insecure, B. The software I need to use, uses HSMS, a protocol based on TCP with no security built in.
Now the problem is ...
1
vote
1answer
108 views
my credit card leaked [closed]
I got a phone call from someone pretend from Amazon and he want to confirm my credit card so he asked the expire date and security code when I refused he give me full name, address, last 4 digits of ...
0
votes
1answer
73 views
TCPview: Some strange process?
I just install the TCPview to check if there are any abnormalities in my computer connections, and there are something looks strange:
There are 2-3 process that show the following status from time to ...
2
votes
1answer
104 views
How to simulate yourself as if you are located internally behind the trusted zone of a FW
I work in security operational center engineer in one company. We manage a lot of customer FW, proxy,..etc. An example of our daily tickets could be the user can't access some site, so we check the ...
0
votes
1answer
73 views
Blocking the unwanted Web Traffic [closed]
There are some trackers most of the times you could see they are running on your PC,
Dependent on the softwares, services, Addons, OPSys, ... much more
some of the major trackers could be 'Google', ...
0
votes
1answer
42 views
windows prevent app from accessing internet
I bought a desktop password management application and I want to make sure it is secure and doesn't send any data to the developer.
So I want to block it from using the internet.
I am using Windows ...
-2
votes
2answers
164 views
Does 32-bit GeSWall protect 64-bit Windows 7?
GeSWall provides excellent Windows security, but there's no 64-bit version. It works on 32-bit Windows 7, and 64-bit Windows 7 can run 32-bit software, so I was wondering whether it does protect ...
1
vote
1answer
236 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
124 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 ...
1
vote
1answer
305 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
...
-2
votes
1answer
210 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 ...
3
votes
2answers
2k 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
votes
1answer
324 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 ...
1
vote
1answer
777 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 ...
0
votes
0answers
332 views
Open ports in Windows 7, firewall, public network, port 445
I selected "public network" in Windows 7. Windows is listening on TCP port 445:
TCP 0.0.0.0:445 WIN7TEST:0 ABHÖREN
The corresponding incoming firewall rule isn't activated ...
4
votes
1answer
58 views
Is password required for restricted database servers [closed]
I have a dedicated Database server which is have PostgreSQL 9.1.
This server has firewall. Only 10.0.0.3 is allowed to connect and access to this server via Firewall. All other requests from other ...
0
votes
1answer
177 views
CSF/LFD - would I really need CPHulk enabled also?
So if I have the default configuration of CSF/LFD firewall running, should I enable CPHulk, or does CSF/LFD already do what CPHulk does?
If the answer is "No, CSF/LFD does not do what CPHulk does", ...
0
votes
0answers
54 views
Maximum protection on a computer network? [closed]
I would like to secure as much as possible a computer I am using to sync sensitive data files from work to my home pc. The syncronisation is being done by only 1 software is there a firewall to allow ...
2
votes
1answer
1k views
How to quickly Enable/Disable Internet Traffic so that it ONLY goes to ONE program?
What Firewall program (preferably free) can I use to quickly enable/disable internet traffic so that it only goes to one program?
For example, sometimes I need only one program (Program X) to be ...
0
votes
1answer
221 views
What do I need to open on my Windows Firewall to allow GFI Security Endpoint functionality
I've been asked to switch off my firewall so that GFI Security Endpoint will work properly, I'm not switching off my firewall!
What do I need to do on my windows firewall to allow GFI Security ...
2
votes
1answer
247 views
Accessing my Rails webrick behind proxy?
In my mackbook, when I try to connect to my rails application in office I can't , in the office there are some http proxy , and when I run my rails like this :
sudo rails s -p8080
=> Booting ...
0
votes
1answer
1k views
How to have Screen Sharing + Firewall without port 5900 open in OS X
On 10.6.8, if you have both Screen Sharing and Firewall turned on, port 5900 is automatically opened in the firewall. This is bad, because I want to access that port via ssh port forwarding and not ...
2
votes
3answers
573 views
How to firewall a VPN connection in Windows 7?
I have a VPN connection to a private VPN server in another country. I don't want any internet packets to leave or enter my laptop unless they are going to or coming from the VPN server's IP.
Is ...
1
vote
1answer
869 views
Why can't we turn off firewall And file sharing?
I was under the impression that turning off file sharing "makes it more secure". Especially when I like to have my firewall switched off, turning off file sharing becomes more important to me.
But ...
1
vote
1answer
325 views
What is the simplest way to use svn repository through firewall without compromizing the security?
I have a multiple Win xp/7 PCs in a network that have no Internet access. All traffic is routed through a firewall PC (latest ubuntu LTS, without admin). This firewall has limited ports open to ...
2
votes
2answers
327 views
Home Network, VPN & Security
At the moment, my home network is comprised of 5 computers (3 laptops and 2 desktops), one of which is running Windows Server 2008 and works as a home repository for some of our files. We access the ...
3
votes
2answers
294 views
Weird hits on port 2703
I'm getting these periodical console messages on my Mac:
7/22/11 8:01:03.925 AM Firewall: Stealth Mode connection attempt to UDP 10.0.0.1:2703 from 91.143.232.133:15881
7/22/11 8:01:05.885 AM ...
3
votes
3answers
154 views
Creating a secure LAN within an insecure LAN
I have multiple computers on an insecure network (with third party, untrusted computers). My computers and the third party computers are all behind the same firewall.
Currently my computer's software ...
2
votes
3answers
117 views
Granular control of the flow of data into and out of all devices on a home network to an ISP enforcing bandwidth limits
Internet service providers are gradually chipping away at net neutrality and imposing bandwidth limits. Most users will need to trust their ISP to report accurate bandwidth consumption rates, and ...
0
votes
1answer
52 views
Paid internet security solutions for Windows [closed]
First of all, I know there are possible duplicates of my question, but an year old (same) question about internet security is not an duplicate ;)
I know that you will say that this should be closed, ...
1
vote
1answer
3k views
Open firewall port on Fedora 14
I want to open the port 18680 on my remote Fedora 14 machine. I did
sudo iptables -I INPUT -p tcp --dport 18680 -m state --state NEW,ESTABLISHED -j ACCEPT
sudo iptables -I OUTPUT -p tcp --sport ...
2
votes
2answers
914 views
OpenVPN on a campus network?
I have my router at home running Tomato USB with OpenVPN running on port 1194. The campus network only has port 80 publicly open and I'm almost positive that they do traffic shaping and content ...
8
votes
2answers
13k views
How to block all traffic but one IP in Windows Firewall?
I'm trying to use Windows 7 firewall to block all outgoing and incoming traffic, from all IP's and for all protocals, except for UDP to and from one particular IP address.
The reason why is because ...
4
votes
3answers
122 views
Is there specialized software for testing the security of a computer?
I'm trying to secure my computer against local network attacks for when I'm at university or a LAN party.
Although my dad's computer store is also running a Windows Server so it might be handy to ...
3
votes
4answers
264 views
What is a good way to shield my computer against local (network) attacks?
I'm trying to secure my computer against local network attacks for when I'm at university or a LAN party.
At home, we have a router which serves this purpose. But at university and LAN I don't have ...
1
vote
2answers
599 views
Does a nmap scan against my own IP go past the firewall?
I'm trying to secure my computer against local network attacks for when I'm at university or a LAN party.
Does running a nmap scan against my own IP go through the firewall or does it bypass the ...
4
votes
2answers
2k views
Configure OSX Firewall to Allow SSH Server?
If I turn on my OSX firewall, ssh is disallowed. If I turn it off, ssh can connect just fine. These are the settings from the ssh host: while I don't know what I'm doing, I figured that giving ...
1
vote
1answer
148 views
Can Windows based computers ever be secured? [closed]
In light on this excellent article series by Ars regarding the black security work by HBGary - HBGary claims to have coded several rootkits and had access to 0-day exploits that could compromise a ...
3
votes
2answers
583 views
Create firewall “profiles” for Windows 7 [duplicate]
Possible Duplicate:
Limiting network connections to specific sites when travelling / tethered (in windows)
Is there any way to configure a couple of firewall profiles in Windows 7?
As I ...
3
votes
3answers
2k views
Mac OS X's firewall asks: allow the application “master” network access?
In OS X 10.6.5, the following dialogue popped up:
What is this application? What does it do?
Cheers!
EDIT (to increase googlability): OS X firewall: Do you want the application "master" to accept ...
1
vote
2answers
416 views
Firefox wants to connect to crowdcache1.stonekitty.net on TCP port 9911 (sype-transport)?
I just installed Little Snitch on my Mac. When I start up Firefox it now popups with the above warning.
I can't seem to find any information regarding sype-transport or port 9911, beyond that it is ...
1
vote
3answers
399 views
What is the default configuration of the firewall in Ubuntu Desktop Edition?
Is it safe to connect a computer running a freshly installed ubuntu desktop edition directly to the internet? Or do I need to actively configure a firewall before connecting it?
