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  • How can I avoid logging file not founds commonly caused by vulnerability scanners?

    - by agweber
    My apache logs are pretty much full of 'admin.php' not found or unable to stat and similar statements for wp-login.php, default.php, and so on that are often sought after by vulnerability scanners. Can I configure apache to avoid logging these statements for certain files? I don't want to filter out all file not founds as I'd like to fix bad links that I may have put out over the years that no longer correspond to the same files. I can use a tool like fail2ban or denyhosts, but from previous experiences it comes from so many places that those errors are still going to pile up, and the reducing those error messages are what this question is asking about.

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  • compromised site

    - by pinniger
    So, I have a web site that has been compromised twice in two weeks. every index.php and .js file gets a script injecting into the source code of the file. The problem is that I have no idea how they're doing it. I've seen this done via sql injection before, but I don't know how they are actually writing to the file. I've dug through the Apache logs but didn't find anything interesting. The site is built using the cakephp framework on a godaddy shared server. Anybody know what secturity settings or log files to check to see how they are doing this?

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  • Preventing an Apache 2 Server from Logging Sensitive Data

    - by jstr
    Apache 2 by default logs the entire request URI including query string of every request. What is a straight forward way to prevent an Apache 2 web server from logging sensitive data, for example passwords, credit card numbers, etc., but still log the rest of the request? I would like to log all log-in attempts including the attempted username as Apache does by default, and prevent Apache from logging the password directly. I have looked through the Apache 2 documentation and there doesn't appear to be an easy way to do this other than completely preventing logging of these requests (using SetEnvIf). How can I accomplish this?

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  • Getting much higher than usual brute-force attempts on cPanel

    - by UserZer0
    Although I have many client accounts on my cPanel based server I'm really the only one who has login information to any of the accounts. I have cPhulk setup to alert me and blocking after 4 failed attempts. I usually have only a handful of bots trying to get in each day(2 hosts ago I never had any), but Today the rate has significantly increased, every 10 minutes or so(no not like clockwork, just averaging). Should I be concerned? Is there anything extra I should be doing, is there any automated reporting services I can use? Thanks.

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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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  • Running suspicious X programs in GNU/Linux

    - by Vi
    What the most harmful thing can malware program started as separate limited user account do if it has access to the X server? Network and filesystem things are already considered by chroot and netfilter. It obviously can lock the screen and I will need to switch to other vt and kill it manually. Can it for example disrupt other GUI programs on the same X server (access to root terminal in nearby window)? I know that it is safer to run it in separate X server, for example, in Xtightvnc or even some virtual machine, but how dangerous is to just run it like other programs?

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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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  • securing hard drive when users boot from usb external

    - by eshriek
    I supervise the use of a 'community' desktop computer. I would like to allow the use of the desktop via an external drive to a specific individual. How do I secure the internal hard drive so that no access is possible while using the external drive? Primarily I want to avoid accidental modification of the hard drive. The desktop runs Vista. The external is Ubuntu.

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  • Should I host my entire web application using https?

    - by user54455
    Actually my only requirement for using SSL encryption is that when a user logs in, the password is transferred encrypted. However after reading a bit about protocol switching, that an HTTPS session can't be taken over as an HTTP session etc. I've been asking myself if it's so bad to just have the entire application use HTTPS only. What are the reasons against it and how would you rate their importance? Please also mention: How much performance do I lose on server side (roughly)? How much performance do I lose on client side (roughly)? Any other problems on server / client side?

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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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  • Permission to make symbolic links in Windows 7?

    - by karolrvn
    How to enable a particular user the possibility to create symlinks in Windows 7? I searched "Group Policy" and google, but haven't found it. BTW: Is there a way to search through everything in Group Policy Editor? The filters only seem to work on particular subtrees. Actually I never found anything using the filters. TIA

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  • Hyper-V Manager - Host Access During a Catastrophe

    - by LonnieBest
    How can I ensure that I can always have Hyper-V Manager access to a Hyper-V server, even in the event that the Active Directory Server is down (in a domain-login environment)? Background: The one that came before me, set up the company's servers as virtual machines on top of a host running Hyper-V Server 6.1 (7601) Service Pack 1. For managing Hyper-V, he installed Window 7 onto a virtual machine (run on the same host) with Hyper-V Manager installed. When the (virtual) Active Directory server (run on this same host) is rebooted, during that reboot, I'm unable to RDP into the Windows 7 virtual machine, and I'm therefore unable to access Hyper-V Manager when the Active Directory server is down. I suspect I can't login because I can't authenticate with the Active Directory Server. I'm going to install Hyper-V Manger onto some addition manager's workstations, but how can I ensure they'll have access in a catastrophe where Active Directory authentication isn't possible?

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  • Should the virtualization host be allowed to run any service?

    - by Giordano
    I recently setup a virtualization server for the small company I'm running. This server runs few virtual machines that are used for development, testing, etc... My business partner works from a remote location, thus I also installed a vpn server on the virtualization host to make it possible for him to safely reach the company services. Moreover, again on the virtualization host, I installed bacula to perform the backup of the data. Is it advisable/good practice to do so or should I create one more virtual machine to do backups and VPN? Is it a bad idea to run these services on the host itself? If yes, why? Thanks in advance!

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  • What are the minimal iptables rules to surf the internet?

    - by alexx0186
    I am trying to set minimal rules to my Linux iptables rules file to just be able to surf the internet. Here what I did: * filter -A OUTPUT -p tcp --dport 80 -j ACCEPT -A OUTPUT -p tcp --dport 443 -j ACCEPT -A OUTPUT -p udp --dport 53 -j ACCEPT COMMIT With just those rules, I can't surf the web. I noticed that when I put -A INPUT -j ACCEPT, it works but I don't understand why. So what Input/output port do I need to surf the internet? Thanks a lot. Regards EDIT: It still doesn't work and my rules as as follows: # generated by iptables-save filter :INPUT DROP [10:648] :FORWARD DROP [0:0] :OUTPUT ACCEPT [10:648] -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPTED COMMIT

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  • Is there a way to get Apache to blank sensitive data from logs?

    - by i..
    We're trying to clean up one of our systems as much as possible & have found that despite our attempts to block, users are accessing a certain part of our system through a HTTP GET with their password in the URL. This results in our Apache logs recording their password in plain text on the server. Is there an Apache directive or module that can filter out (or replace) certain patterns in its logs?

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