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  • Netgear routers don't allow you to disable wireless admin??

    - by MousePad
    I just bought a new router, the NetGear WGR614. Nowhere in the settings can you disable the ability to administrate the router from a wireless connection, which opens it up to brute force attacks from outside the building. Furthermore, it doesn't require a direct connection to the router to admin either, you can admin it while you're connected to the Internet. This means it opens itself to the possibility of an attack from within the network. This is unbelievable to me. What am I missing? Can this be possible?

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  • Iptables to lock down compromised server to a single ip

    - by ollybee
    I have a Linux server which is compromised, I can see nasty looking perl scripts executing with root privileges. I want to get some data off it before I wipe it. How can I block all inbound and outbound traffic except for my ip? It's a Centos server I assume i can do this with iptables? I'm aware a the server is rooted there is a possibility that attackers could have made changes on the server that would prevent this from working. Ill be testing to make sure and only have the server online for a couple of hours before it is nuked.

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  • Monitor someone on server

    - by edo
    Im in the unfortunate position of having to give someone who I do not fully trust privileged access to a webserver to finish work that they never completed. They will access the server remotely (ie I will not be able to see their screen). What can be done to a) proactively limit any potential damage and b) accurately log anything they do on the server for analysis afterwards, even if things seem ok? They will be updating a web application. Thanks in advance! --- More informtion: The server is a Ubuntu AWS server.

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  • How many guesses per second are possible against an encrypted disk? [closed]

    - by HappyDeveloper
    I understand that guesses per second depends on the hardware and the encryption algorithm, so I don't expect an absolute number as answer. For example, with an average machine you can make a lot (thousands?) of guesses per second for a hash created with a single md5 round, because md5 is fast, making brute force and dictionary attacks a real danger for most passwords. But if instead you use bcrypt with enough rounds, you can slow the attack down to 1 guess per second, for example. 1) So how does disk encryption usually work? This is how I imagine it, tell me if it is close to reality: When I enter the passphrase, it is hashed with a slow algorithm to generate a key (always the same?). Because this is slow, brute force is not a good approach to break it. Then, with the generated key, the disk is unencrypted on the fly very fast, so there is not a significant performance lose. 2) How can I test this with my own machine? I want to calculate the guesses per second my machine can make. 3) How many guesses per second are possible against an encrypted disk with the fastest PC ever so far?

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  • a safer no password sudo?

    - by Stacia
    Ok, here's my problem - Please don't yell at me for being insecure! :) This is on my host machine. I'm the only one using it so it's fairly safe, but I have a very complex password that is hard to type over and over. I use the console for moving files around and executing arbitrary commands a LOT, and I switch terminals, so sudo remembering for the console isn't enough (AND I still have to type in my terrible password at least once!) In the past I have used the NOPASSWD trick in sudoers but I've decided to be more secure. Is there any sort of compromise besides allowing no password access to certain apps? (which can still be insecure) Something that will stop malware and remote logins from sudo rm -rf /-ing me, but in my terminals I can type happily away? Can I have this per terminal, perhaps, so just random commands won't make it through? I've tried running the terminal emulations as sudo, but that puts me as root.

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  • domain screensaver control software

    - by Pec
    I'm looking to buy a screensaver control product with granular control. I have about 2000 workstations which require dozens of different timeout values, lock/not locked on resume settings, different screen saver files (that can be frequently updated depending on department), etc. It's looking to be quite an undertaking accomplishing this with domain group policies so I'm hoping you guys have some suggestions of products to use. Hopefully such products would integrate with AD. Thanks

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  • What does the NTFS encryption protect against?

    - by Ray
    I have encrypted a folder from the (PropertiesAdvancedEncrypt contents to secure data). However when I change my user profile to another one which is also an administrator the folder seems to be accessible as if nothing happened. What exactly does this encryption protect against. I'm looking to encrypt folders that no other user, or another OS or even if the HDD were to be removed and plugged to another device will be accessible. My OS is Windows 7 Ultimate. Any suggestions?

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  • Windows/global setting to allow only SSL when on public Wifi?

    - by hungry
    Rather than going through each of my apps and modifying settings, or tweaking individual browser settings (I use three different browsers) or just being careful not to type non-SSL URLs into the web address bar, is there a solution at the Windows level that will prevent anything from connecting to the web from my laptop unless it's using SSL? I also have mini apps installed like Gmail checker, etc that connect to the web of their own volition using my usernames, passwords and such, so it goes beyond just web browsers. The reason I'm asking is I want to work securely on the general Internet when on public Wifi (e.g. coffee shops) without a lot of hassle or having to remember everything that needs to be locked down. When I'm back home I want to go back to full access mode using any kind of protocol on the web. If a website doesn't support SSL when I'm out in public then I just don't surf it - that's not a worry to me.

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  • What prevents an attack on Postfix through its named pipes?

    - by Met?Ed
    What prevents an attack on Postfix through its named pipes by writing bogus data to them? I see on my system that they permit write access to other. I wonder if that opens Postfix to DoS or some other form of attack. prw--w--w- 1 postfix postdrop 0 Nov 28 21:13 /var/spool/postfix/public/pickup prw--w--w- 1 postfix postdrop 0 Nov 28 21:13 /var/spool/postfix/public/qmgr I reviewed the pickup(8) man page, and searched here and elsewhere, but failed to turn up any answers.

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  • permission for "users" directory for a mounted vmdk file

    - by rajmalhotraml
    I mounted one vmdk file in my windows 8 machine and I am able to access all the folders and files except those in "users\ directory. When I try to open, it says I dont have permission. I am not able to give the permission even. Any one can tell me how to open the users directory? I have very important files in the desktop folder which can be acessed through \users\\desktop. What is the alternate way of accessing the folder? I lost the password to boot up the vm image.

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  • Unix / linux permissions setup for shared hosting with Apache

    - by weiyin
    I'm in the process of setting up a server from a clean CentOS 5 install. What is the best permission structure (users, groups, unix permissions) for running a single instance of apache for multiple users? Ideally, it should satisfy these requirements: Each user's websites are stored in a subdirectory of their home directory. Users can edit files and permissions. Apache can read the websites of all users. No user can read the website files of other users. Bonus question: how to add PHP and/or Perl and/or Ruby to Apache without allowing any users to access any other user's files?

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  • Do proxies really provide anonimity?

    - by user36269
    Do web proxies really provide anonimity? I mean, without someone asking for logs in a web proxy server for who/when connected, is it impossible to know who was behind that ip? I'm asking this because I heard somewhere that some technologies (like "flash") bypass personal ip information for requests or something like that. (I'm a noob in server configuration and concepts like DNS and proxies. Thanks!)

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  • How to decouple development server from Internet?

    - by intoxicated.roamer
    I am working in a small set-up where there are 4 developers (might grow to 6 or 8 in cuople of years). I want to set-up an environment in which developers get an internet access but can not share any data from the company on internet. I have thought of the following plan: Set-up a centralized git server (Debian). The server will have an internet access. A developer will only have git account on that server, and won't have any other account on it. Do not give internet access to developer's individual machine (Windows XP/Windows 7). Run a virtual machine (any multi-user OS) on the centralized server (the same one on which git is hosted). Developer will have an account on this virtual machine. He/she can access internet via this virtual machine. Any data-movement between this virtual machine and underlying server, as well as any of the developer's machine, is prohibited. All developers require USB port on their local machine, so that they can burn their code into a microcontroller. This port will be made available only to associated software that dumps the code in a microcontroller (MPLAB in current case). All other softwares will be prohibited from accessing the port. As more developers get added, providing internet support for them will become difficult with this plan as it will slow down the virtual machine running on the server. Can anyone suggest an alternative ? Are there any obvious flaws in the above plan ? Some key details of the server are as below: 1) OS:Debian 2) RAM: 8GB 3) CPU: Intel Xeon E3-1220v2 4C/4T

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  • OpeVPN log connecting client IPs

    - by TossUser
    I looking for the best solution to log all connecting client's ip to either a text file or a database who logs into my VPN server. Under the IP I mean the public WAN IP on the internet where they are connecting from. A hack could definitely be to make the openvpn server log to a separate logfile and run logtail periodically to extract the necessary information. So the database I want to build would look like: Client_Name | Client_IP | Connection_date roadwarr1 | 72.84.99.11 | 03/04/14 - 22:44:00 Sat Please don't recommend me to use the commercial Openvpn Access Server. That's not a real solution here. If the disconnection date could be determined that would be even better so I could see how long a client was connected and from where! Thank you

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  • Is it good to defense for DOS attacks with 2 request/sec?

    - by Bohlam
    Hi, Lots of example told me to defense with 5 or 4 request per second. Because usually a visitor clicking about in 1 or 2 links in one second, I think defense with 2 request per second is just fine. But I'm scared of any unknown drawbacks So, I need a suggestion because I never heard about defense with 2req/sec Thanks

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  • How do shared hosting servers keep executing code from crossing accounts?

    - by acidzombie24
    I am kind of curious, how does a hosting server support multiple users with php but keep each user away from the other code? The 'easy' solution i thought were file permissions. So every user can have www-data belong to their group and the server would have executing access but the users cant access the others file. But then i realize the user running the php would be www-data who has permission to read everyones data. So how does a shared host prevent this from happening? PS: I personally use nginx (with fastcgi php). But i am somewhat familiar on how apache works.

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  • How to generate Serial Keys? [closed]

    - by vincent mathew
    Which software can I use to generate Product keys if I have the GroupId, KeyId, Secret and Hash for the generation? Edit: I had seen a post which generated Product Keys using this information. [Additional Key Details/Activation Decryption*: GroupId = 86f 2159 KeyId = ed46 60742 Secret = e0cdc320ba048 3954789545910344 Hash = 5f 95 ] So I was wondering if there is any software which could generate keys using this information? Thanks.

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  • need help setting up a VPN for remote computer connection

    - by Chowdan
    I am on a low budget right now. I am currently in the process of starting a computer company. I am in need of a VPN network so I can run Dameware tools for working on customers/partners computers remotely. I will be working with Windows and some Apple and linux machines. I have desktop with an AMD Phenom II 965BE(currently running stable at 3.8Ghz) processor with 8 GB of ram and a radeon hd 6870(i know graphics aren't too useful) and about 1.5TB of HDD space. I am attempting to create a network out of my office based all on one machine that would also be secure for me to remotely connect to my partners computers so when they have issues I would be able to connect and do the diagnosing and repairs remotely. What types of servers besides a VPN server would i need to create this? I have access to all Microsoft products so I can run Windows Server 2012, Windows Server 2008 R2, or any other Microsoft Software. thanks for the help all

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  • Unmasking fake IP address

    - by Omousso
    I need to unmask I masked IP..that has hacked my account & a family members account(s)... Can anyone help me...I have know no Idea where to start and know nothing about even where to begin. PLEASE someone reply, this is not a random hacking but someone trying to cause my family trouble...at least my instinct says so. My family member and myself both believe we know who it is.. They have gotten into several of my accounts and I've been acting is I don't know...tracking ip's..but I feel like they are masked! Also, my family member changed there email/password numerous time and they still got in....how?? Any & all help is appreciated!!

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