Tagged Questions
2
votes
3answers
164 views
Check outgoing network traffic
In Ubuntu, how can I check what information is being sent through the network connection, what programs are doing it, and what sites is my computer connecting to?
I am not paranoid about security, ...
1
vote
0answers
78 views
Deny/allow a user's access to a port dynamically
I have stumbled upon this little tech dilemma yesterday, and know that there is a solution to it (IRC BNC resellers have it implemented already). However, the exact details and implementation elude ...
2
votes
1answer
166 views
Running a local port scan and found open ports but, don't know what they're used for?
I wrote a very basic python script to port scan my system. I'm running linux-mint lisa:
open_ports = []
for port in xrange(65536):
conn = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
...
1
vote
0answers
276 views
Using metasploit with 3G USB modem
I have a computer with Linux BackTrack 5 as host and Windows XP as guest on virtual box. I am using Host-Only-Adapter to create virtual LAN and to share USB modem internet as well so that both host ...
1
vote
5answers
753 views
How can I monitor all outgoing requests/connections from my machine?
My machine is a server so I want to ignore connections being made to my server (e.g. when someone visits my website). I want to see only connections/requests being made by my server to other places.
...
0
votes
1answer
63 views
What to make of system scans reported by psad
My system logs show that psad detects scans like this every minute.
psad: scan detected: 192.168.1.10 -> 192.168.1.1 udp: [53] udp pkts: 2 DL: 2
If the first address is mine, and the second ...
0
votes
1answer
124 views
How to use linux tools to verify a site's authenticity
When I go to certain websites where it's important for me to know that I'm connected securely, certain browsers will say that the site failed the authenticity check. Firefox won't say anything, but ...
1
vote
1answer
284 views
How to provide a “guest LAN” on one ethernet device
I have an always-on machine running Debian/Squeeze with a couple of ethernet ports (it's doing various serverish jobs, including DHCP) and a LAN on each.
eth0 is on 192.168.7.* and has access to the ...
2
votes
2answers
123 views
need explainations on this network route
I'd like to get some insight as to how I can possibly access network devices that are on a different IP range (obviously not mine) compared to what is configured on my wifi router?
setup
home wifi ...
1
vote
0answers
73 views
Information about the 1630/master app
When I run
$ sudo netstat -a --programs | grep LISTENING | grep 1630
I will get this output. Do you know what good are processes running under this app name? Why they I running on my system and if ...
1
vote
3answers
180 views
How can I identify processes that use network facilities, and can they be killed?
In the output of
netstat -a | grep LISTEN
there are usually a lot of processes. How (where) can I find out information about them, what is their purpose in the system and if I can kill them? Which ...
6
votes
1answer
502 views
Jailbreaking HDTV
I have a Vizio internet TV, the predecessor to this one with basically the same specs, not 3D though. I wanted to try and gain root access to the tv.
Using nmap I leaned that the only port open is ...
10
votes
4answers
1k views
Why do we need a firewall if no programs are running on your ports?
When I try to telnet to a port on a server, and if there is no program listening on that port telnet dies with a "Unable to connect ... " error. I understand that. But, why do we need a firewall if ...
1
vote
1answer
384 views
rpc.statd and avahi-daemon listening on all networks?
Background:
- I'm running a home Debian GNOME desktop connected to the internet through an ethernet cable to an ethernet router.
- I have a printer connected directly to my PC with a USB cable.
- My ...
12
votes
1answer
3k views
Why are the first 1024 ports restricted to the root user only?
This is more idle curiosity than anything else. A friend of mine asked me 'which port range is it that only root can use under Linux?' I told him 0-1024 were restricted. Then he asked my why it was so ...
8
votes
2answers
507 views
How do I hide/anonymise/defend a computer when on hostile networks?
I connect to a lot of open networks when I'm pootling around. I'm fairly careful to VPN home for anything important but that's not really my boggle. The laptop runs several services (nfs, dev http ...
3
votes
2answers
457 views
How to block outgoing connections from process/user on FreeBSD?
My server executes third party software which processes user submitted files. I want to block outgoing connections from my process. How can I do it in FreeBSD?
2
votes
3answers
903 views
Private VLAN's under Linux?
http://blog.ine.com/2008/07/14/private-vlans-revisited/
Has anyone tried private vlan's under Linux? Any experiences with them? My real question is does anybody have howtos regarding this?
2
votes
1answer
672 views
How do you derive the passphrase from hexadecimal wep key?
I have a hexadecimal WEP key in the setting of my router.
When I try to connect, the system asks me for the WEP passphrase.
How can I derive it from my hexadecimal?
This is what I have:
...
10
votes
7answers
496 views
