Security :: Face-book Game 'Farmville' Wants Access To Ports?
Jun 26, 2010
My friends all request that I join Farmville so they can build their points. I don't play games but tried to oblige them. My firewall went nuts and I received requests to "open" certain ports. Can some one tell me what is going on and is this a security risk or not. I am 4 years deep into Linux and I haven't used microcrap in as many years but I am still learning, as there is so many things to master with Linux.
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May 3, 2011
How to create a user account on a Linux desktop machine with restrictions on connecting to the LAN, WAN, PCMCIA ports, Firewire, CDROM and generally any user controllable output options?
I have the task to set up a machine for users working with sensitive data that should not be leaving the machine where it is processed. This means disabling access to the ethernet device, lan, all other ports as mentioned earlier, and any other way of leaking the data.
In Mac OSX this was achieved using "Parental controls" from the System preferences; this even allows a selection of the applications that can be used. Under XP, Device Manager offers the option to click various devices and "Disable" them, which worked so far just fine. Some will point out that the latter mentioned OS may be easy to circumvent the security of in other ways, but that has been mitigated with other measures and it's not the point anyway. For the operator users in question, the aforementioned measure proved successful and worked.Using OSX and XP to do this was a 10-15 minutes job with testing included.
So far all guides and tutorials pointed to useradd, groups an facl, but in actual practical terms did not help at all, in fact most of the research did not render any practical results so far. I surely don't expect to point and click, and would gladly run a set of commands from CLI. If I had them. I would really would like to achieve the same restricted user account configuration in a concise, comprehensive and practical manner under Linux too. Preferably tested on humans before, and known to be workign, of course.
The machines that need to be set up are two laptops running Ubuntu. So how can this be accomplished in Linux?
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Aug 22, 2011
I have recently zypper dupped to opensuse 11.4 from 11.3. My only problem is I am unable to access my address book when I click <select> when sending a new message; only recent addresses show in the window that pops up. Even if I select <all> in the list of choices, only <recent addresses> show up. In the useful tips that appear upon opening K-mail it states that if I click on < folders> then < Mailing list management> I will be able to select and manage all of my address books. But when I click on <folders> the <mailing list management> is faded telling me that it is not enabled. My question is what must I do to enable the mailing list management to be enabled? I have enabled mailman with no help.
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Jun 1, 2010
This game is Java based. After rebooting the game works, but on ending the game several notification boxes remain. If these boxes are not closed in the reverse order that the game opened them, it is no longer possible to close them. Only by killing the Java processes can these notifications be made to close. Also after playing the game, even if all these notifications are closed it is many times necessary to kill the Java process(es) in order to get the game to load again at a later time. I am currently using Slackware 1.30, but a similar problem has existed in several of the past releases.
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May 18, 2010
While this may seem unimportant to some, it is imperative to me. I like using Ubuntu (as a matter of fact, I laughed myself silly at the Ubuntu reference in 'Big Bang Theory' last night - anyone else catch that?) but for some damned reason the Farmville application does not work. This is one of the most important things my wife does on this computer and I have followed this thread [URL]... and installed and uninstalled Flash and it still does not work.
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Apr 24, 2011
i cannot play my farmville says i need to up date flash
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Sep 21, 2010
Is there anyway i can ssh/rdp/telnet into my server from the outside bypassing comcast ALL blocked ports
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Apr 28, 2011
I have open ports on my computer for vsftpd, pptpd, and I need help to filter this ports because they aper as open ports on internet, and this is pretty risky
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Apr 1, 2010
After reading a lot about networking and security I decided to check the security of my own ubuntu box. So I went installing Nmap and discovered that port 139 was "open". Since I 'd read how to use ufw I created a deny rule for port 139. After a second scan with Nmap it still said that port 139 was open as shown below.
[Code]...
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Jul 27, 2010
I'm locking down my laptop. I know I can use a firewall to ensure nothing gets through that I didn't catch, and I certainly plan on using one, but in the meantime, I want to know what exactly is running on my system.
nmap localhost returns:
Code:
james@james-linux:~$ nmap localhost
Starting Nmap 5.00 ( http://nmap.org ) at 2010-07-26 23:33 CDT
Warning: Hostname localhost resolves to 2 IPs. Using 127.0.0.1.
Interesting ports on localhost (127.0.0.1):
Not shown: 994 closed ports
PORT STATE SERVICE
25/tcp open smtp
111/tcp open rpcbind
139/tcp open netbios-ssn
445/tcp open microsoft-ds
631/tcp open ipp
2049/tcp open nfs
Nmap done: 1 IP address (1 host up) scanned in 0.18 seconds
However, I know that localhost goes back to the loopback interface, 127.0.0.1. So, to see what was really open, I ran nmap 192.168.0.108, which is my laptop's IP at the moment.
Code:
james@james-linux:~$ nmap 192.168.0.108
Starting Nmap 5.00 ( http://nmap.org ) at 2010-07-26 23:33 CDT
Interesting ports on 192.168.0.108:
Not shown: 996 closed ports
PORT STATE SERVICE
111/tcp open rpcbind
139/tcp open netbios-ssn
445/tcp open microsoft-ds
2049/tcp open nfs
Nmap done: 1 IP address (1 host up) scanned in 0.14 seconds
Now if I understand correctly, I can attribute 139 and 445 to my Samba share. That I'm okay with. What I don't know is 111 and 2049. Does anyone know what these ports are, what's running on them, and how I could turn them off, supposing that they are a security risk?
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Mar 18, 2011
I'm getting heat from the head networking office that ports 21, 110, and 143 are open. I can telnet to those ports from a remote machine (not localhost) and get a prompt. There does not seem to be anything listening on those ports according to netstat. I've tried using iptables to discard all traffic to a from those ports but I can still telnet to them. This is a lucid desktop machine.
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Mar 30, 2011
We do NOT support samba on our Unbuntu servers but still zillions of windows machines are constantly trying to connect on the SMB ports. I've added a rule that drops access to destination ports 137-138 and that seems to work. But it creates many many log entries documenting that the packet has been dropped. I've been researching and cannot come up with a way to suppress logging for these drops.
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Dec 2, 2010
looking at my router logs i've noticed for the past while a range of source ports from 60000 to about 65000 from my source external ip to destination external ip always on port 80. I have 3 boxes on this network and this only seems to happen when i connect the one laptop. I even reinstalled the distro downloaded from trusted source but the router is still logging this.. netstat -ntulp shows nothing operating in this range. chkrootkit shows nothing.. Was thinking maybe someone was spoofing the external address but it's been happening on network startup for a month now
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Jun 30, 2010
I enabled ufw yesterday, and am finding log entries like:
Jun 30 13:07:51 xxxx kernel: [15702368.296557] [UFW BLOCK] IN=eth1 OUT= MAC=00:22:19:5e:8f:23:00:0c:db:fc:8b:00:08:00 SRC=xx.xx.xx.xx DST=xx.xx.xx.xx LEN=40 TOS=0x00 PREC=0x00 TTL=55 ID=47632 PROTO=TCP SPT=58875 DPT=80 WINDOW=65535 RES=0x00 ACK FIN URGP=0
What is puzzling is I did the command: ufw allow 80.
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May 6, 2011
Do you know any game engines or game studios that can make adventure games, for instance in the style of Myst (1st person) or in the style of old Sierra games (3rd person), like King's Quest, Space Quest, etc.?I've seen AGI Studio, but it is too old, I'd like to use more modern graphics (although there is no need for 3D).
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Nov 22, 2010
I installed VirtualBox 3.2.10 running Windows XP Pro and I don't have Access to my USB Ports in XP.VirtualBox shows the ports but they are grayed out and XP device manager lists Intell 82801FB/FBM USB2 Enhanced Host Controller - 265CStandard OpenHCD USB ControllerUSB Root ControllerUSB Root Controllerunder device manager but when I click the USB Root Ports it shows nothing attached and says that there are 8 ports available in each HUB.If I plug in a device Windows does not detect a new device or report any kind of errors about USB devices and there are no yellow exclamation points under Device Manager.
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Dec 8, 2009
have tried to close ports 443,80,22 & 23 without success.Does anybody have any idea how to do this. I close them in a terminal and their still opened. I closed them in services and their still open what am I not doing right?
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Apr 10, 2010
I installed Ubuntu 9.10 recently. I heard that there will be no open ports in the system unless I specifically open one. How do I scan to find a open port in my system.
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Jul 6, 2010
when i enable my ufw it completely shuts me out and closed my internet connection. i installed firewall configuraiton interface and through it defined rules to accept incoming internet connections on port 80, i can see the rules are there but when i enable my firewall it just shuts me out completely again.
when i do(with my firewall enabled):
Code:
$ sudo ufw status
it gives me:
Quote:
Status: active
[Code].....
I also messed around with fwbuilder and iptables but since then deleted fwbuilder(besides i just compiled firewall policy and never actually installed it because of errors while trying to install it. Iptables I cleared with:
Code:
$ sudo iptables -F
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Sep 26, 2010
I know how to forward ports in my router. Now I need to open a port to help with testing a project and no matter what I've tried, every port under 1055 shows up as stealthed (with 1-71 closed) according to Shields Up! I'm happy to run it at a port > 1024, but whatever I try also shows up stealthed. I even tried (briefly) turning on DMZ and still the same thing. My ISP swears that they only block port 80, 21 and 25, none of which I'm trying to use. UFW status reports inactive and I'm not using firestarter. I'm not running any other server (apache, light speed etc). If it's not my router and it's not my ISP, and there's no other server apps running, then that kind of leaves Ubuntu as far as I can see,
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Mar 31, 2010
are there any known issues/fixes you guys are aware of in ubuntu 9.10 for issues regarding videos and/or flash videos and games. i have yet to be able to make a flash game work....my gf wanted to play farmville on facebook with no luck and i just tried to watch a video on ..... and ultimately hadto restart my machine.
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Jan 20, 2010
how to block all ports except pop,pop3,smtp in nat using iptables in squid on redhat A3
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Apr 24, 2010
What ports does Firefox use to connect to the Internet?
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May 2, 2010
my ufw rules have been loaded and active yet using iptraf i see tcp connections on ports that were never allowed by ufw. can anyone explain this too me does ufw just not work?
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Nov 12, 2010
What are the security implications of closed ports?
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Feb 9, 2011
What is happening when I log in to my Ubuntu server machine via ssh and putty. trying to understand everything, primarily securing my server.
I have specified the ssh server to listen on port 5525, and can login without a problem.
When I look at the logs though it says I connected from xxx.xx.xx.xx on port 53602.
What is happening here and why is the logged connection a different port to the one specified in the config file?
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Dec 4, 2010
Quote:
A year ago I blogged about how hackers managed to hijack hundreds of high-profile websites to make them promote online stores that sold pirated software at about 5-10% of a real cost. They used quite a standard scheme that involved cloaking (making spammy links visible only to search engine crawlers) and conditional redirects (visitors from search engines who clicked on specifically-crafted links on compromised sites got redirected to online stores of software pirates)
Despite of all my warnings, most of those site are still hacked and help sell pirated software and steal credit card numbers. This negligence of site/server administrators encouraged cyber criminals to step even further in abusing reputation and resources of compromised servers. This post will be about one of such steps.
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Apr 11, 2011
I was port scanning my computer and i found some open ports. How would i close these ports so they cannot be remote accessed?
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Oct 5, 2010
Normally all I/O goes through the kernel so that it can schedule the operations and prevent processes from stepping on each other. A few special user processes are allowed to slide around the kernel, usually by being given direct access to I/O ports. X servers are the most common example of this isn't it ? give examples for any other processes that are allowed to slide around the kernel ?
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Aug 19, 2010
I am trying to configure Bittorando and iptables using Firestarter. I have got it working but am concerned about security holes.
Let me explain.
AIUI, the Bittornado program contacts the "tracker" on various ports which (from the previously blocked connections in Firestarter) ranged from 4664 to 65532. Therefore, currently I have set this range to be open to allow downloads of the torrent.
However, this seems, IMHO, to devalue to point of having a restrictive exit policy for Firestarter since now virtually all ports are open. I can see nothing on the Bittornado client to restrict the outgoing ports although the "listening" (incoming) ports can be restricted.
I would prefer to have my system locked-down so that the minimal number of ports are open to initiate external connections so is there any way to achieve this with Bittornado?
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