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  • Limit HTTP VERBS on Apache2

    - by user72295
    I am trying to limit the use of certain HTTP verbs on my site. I entered the following into my VirtualHost config file within the Directory element: <Limit GET POST HEAD> Allow from all </Limit> <Limit PUT DELETE OPTIONS> Deny from all </Limit> This seemed to work but with unexpected results: I ran the following telnet/HTTP commands before and after this change, open server 80 OPTIONS server/abs_path HTTP/1.1 User-Agent: Telnet/1.0 Host: server before the change I received a successful response with the Allowed headers. After the change, however, I was expecting to receive a 405 'Method not allowed' response but rather I received a 403 'Access Forbidden' response. What do I need to change in apache to return the 405 HTTP response? Many thanks

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  • Running PHP scripts as the owner of the PHP file: security issues

    - by thomasrutter
    I'm using suexec to ensure that PHP scripts (and other CGI/FastCGI apps) are run as the account holder associated with the relevant virtual host. This allows for securing each users' scripts from reading/writing by other users. However, it occurs to me that this opens up a different security hole. Previously, the web server ran as an unprivileged user, with read-only access to user's files (unless the user changed the file permissions for some reason). Now, the web user can also write to user's files. So while I've prevented different users taking advantage of each other's scripts, I've made it so that in the event that some application has a remote code injection vulnerability, it now has not only read access but also write access to all that user's scripts and website. How can I deal with this? One idea I've had is to create a second user account for each user account in the system, so that each user has their own user account, and all their scripts are run under another user account. But that seems cumbersome.

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  • Postfix Inbound/Outbound Gateway for Google Apps

    - by geofflee
    I currently have a Postfix/Dovecot setup, but our server is hitting capacity, so we decided to switch to Google Apps. However, we have certain web applications that need to send and receive e-mail directly (for example, e-mail being redirected to a script). What I want to do is host certain e-mail accounts with Google Apps, while my current server continues to manage other e-mail accounts. I assume this means that I would use my current server as an Inbound/Outbound Gateway, so my questions are: 1) How do I setup Postfix as an Outbound Gateway without making it an (insecure) open relay? 2) How do I setup Postfix as an Inbound Gateway so that only certain e-mail addresses are forwarded to Google Apps? Thank you!

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  • Bridge and OpenVPN with shorewall

    - by Javier Martinez
    I have this scenario and everything it's working OK, but I want to configure my Shorewall and I can't do it. My interfaces are: br0 (bridge of eth0) tun0 (OpenVPN) vnet* (each one of bridged interfaces with public IP's) Public Main IP: 188.165.X.Y OpenVPN IP's: 172.28.0.x Bridge: public ip's So, I have the next configuration for shorewall: /etc/shorewall/zones #ZONE TYPE OPTIONS IN OUT # OPTIONS OPTIONS fw firewall inet ipv4 road ipv4 /etc/shorewall/interfaces #ZONE INTERFACE BROADCAST OPTIONS inet br0 detect routeback road tun+ detect routeback /etc/shorewall/policy #SOURCE DEST POLICY LOG LIMIT: CONNLIMIT: # LEVEL BURST MASK $FW all ACCEPT inet $FW DROP info road all DROP inet road DROP /etc/shorewall/tunnels #TYPE ZONE GATEWAY GATEWAY # ZONE openvpnserver:1194 inet 0.0.0.0/0 The problem is that even with shorewall running I am able to ping or connect to the virtual machines behind the bridge

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  • Test/Dummy SMTP server for Windows

    - by geoaxis
    I would like to install a Test/Dummy SMTP server on a Windows 2008 server (virtual box). I just want to test my web application on the machine it self so I don't need the mails to go out on the internet, but just to be written to disk (so that I can verify that the mail function was indeed called and the correct data was handed over to SMTP) Can you recommend some tool. I guess starting your own SMTP server in python is an option. I am looking for a simple (ready to use) solution, targeted for tests systems. I will need to integrate it to automated tests (Selenium) at a later stage. Thanks

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  • Security issues of running PHP scripts as the owner of the PHP file with suexec

    - by thomasrutter
    I'm using suexec to ensure that PHP scripts (and other CGI/FastCGI apps) are run as the account holder associated with the relevant virtual host. This allows for securing each users' scripts from reading/writing by other users. However, it occurs to me that this opens up a different security hole. Previously, the web server ran as an unprivileged user, with read-only access to user's files (unless the user changed the file permissions for some reason). Now, the web server can also write to user's files. So while I've prevented different users taking advantage of each other's scripts, I've made it so that in the event that some application has a remote code injection vulnerability, it now has not only read access but also write access to all that user's scripts and website. How can I deal with this? One idea I've had is to create a second user account for each user account in the system, so that each user has their own user account, and all their scripts are run under another user account. But that seems cumbersome.

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  • IIS7 FastCGI downloads quit at 4128760 bytes on slow connections

    - by eingko
    I'm using FastCGI via IIS7 to host a PHP application. For whatever reason downloads that are streamed via PHP (i.e. a script that outputs a file/bytes as a response) download perfectly fine on high-speed connections but on anything slower (even on DSL) quits at EXACTLY 4128760 bytes (~3.9MB) - which makes me think it's a configuration issue... We only started having this problem when we switched from Apache to IIS - this also points to a configuration problem, I think. But if it's a configuration issue, why would it only affect slower connections? Does anyone know where (or how) I could possibly change a setting like this? I've tried changing the idleTimeout, executionTimeout, and activityTimeout values in my web.config but this hasn't helped at all. Any help or direction would be greatly appreciated. Thanks in advance.

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  • Connection Reset by Peer error with Apache and JBoss 7.1.1

    - by vikingz
    We are seeing errors on some of our QA testing scripts that intermittently throw Connection Reset By Peer errors. The Test scripts submit requests via F5 which forwards requests to Apache (2.2.21) with a mod_jk load_balancer with the following setting for each worker in the worker.property worker1 props worker.worker1.type=ajp13 worker.worker1.port=8109 worker.worker1.lbfactor=1 worker.worker1.host=skunkhost1.com worker.worker1.connection_pool_timeout=30 and here is what is in the JBoss domain.xml for the AJP port from JBoss 7.1.1 <unbounded-queue-thread-pool name="SKUNKY.APP.AJP"> <max-threads count="300"/> <keepalive-time time="3" unit="minutes"/> </unbounded-queue-thread-pool> Here is httpd.conf Timeout 300 KeepAlive On KeepAliveTimeout 15 MaxKeepAliveRequests 100 TraceEnable Off My question is that is it posisbe that apache times out and closes the connection while jboss is still ready and working on the request? What might be causing the Connection Reset By Peer error?what am i missing here? Any help is majorly appreciated!! Sincerely KK

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  • Stream Music To Ventrilo From ESXi VM

    - by omghai2u
    I would like to stream music to my Ventrilo server from a Windows XP virtual machine running on an ESXi host. I have followed the instructions outlined here to stream music from something like VLC to the Ventrilo server on another machine and it works fine. I have also added the lines: sound.present = "TRUE" sound.virtualDev = "es1371" sound.fileName = "-1" sound.autodetect = "TRUE" to my .vmx file, as suggested here (http://communities.vmware.com/thread/191878), to get a sound card in my VM. The problem I am having is that it seems that my VM is not outputting any sound, so there's nothing to stream through Ventrilo. The Device Manager on the VM shows that this new sound card has drivers and doesn't appear to have any concerns with it. Can someone point me in the right direction to get my desired outcome? Thanks! PS. sorry for the long 2nd link, apparently I can only post 1 hyperlink with this low reputation.

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  • Configuring Mail Relay

    - by ServerChecker
    I'm running Ubuntu Server 9.10 with Postfix and Webmin. I have created virtual hosts for 3 domains following this serverfault.com answer. But the mail isn't relaying out to the world. I have 3 domains tied into my DNS in webmin, as well as inside DNS clicked Mail Server and followed that instruction using this article on the web. The domains and the web servers work just fine. I also have FTP working just fine. So, the remaining problem I have is mail. Can't forward mail out to a Gmail account for some reason. Note I'm just trying to do the "easy version" of Postfix config and if your answer is in Webmin-ease, that would help me. However, I can edit a text file if you suggest.

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  • Setup dhcpd without gateway on purpose

    - by MBober
    I have an XP machine with two network interfaces. One is connected to my company's network (and the Internet). The other is a very local network which connects some hardware with my PC. Both the hardware and my XP machine's second network interface obtain configuration from a dhcpd running on Ubuntu in a virtual machine on my XP machine. I entered some dummy gateway in /etc/dhcp3/dhcpd.conf like 192.168.3.1 which does not match any existing device just to get dhcpd started. The problem is that my XP machine now tries to route Internet traffic through 192.168.3.1 in most of the cases which, of course, results in an error. Is there any way to set up dhcpd in a way that the clients know that there is no gateway in this network? By the way: setting the gateway manually in XP is off the table because this needs administrator privileges which I don't have.

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  • Sensitive data in init scripts

    - by Steve Jorgensen
    I'm adapting some examples I've found by Googling to build an init script to run a VirtualBox OSE virtual machine as a daemon. I would like to specify a password for VNC access to the VM, and this must be given as an argument to the VBoxHeadless command. Conventionally, init scripts are readable by standard users, and this seems like a useful convention, but I also don't want the VNC password for this VM to be stored in easily accessible plain text. What's the most appropriate/conventional way to handle this kind of situation? Maybe put a root-readable supporting data file someplace, and have the init script load the value from there?

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  • OpenLDAP server logs filled with "TLS negotiation failure"

    - by WildVelociraptor
    I recently migrated an old OpenLDAP setup to a newer server, with a more robust certificate setup. Currently, most hosts are required to verify the cert matches the host: tls_checkpeer yes TLS_REQCERT always In the server logs, there are multiple occurences of: Nov 6 10:45:08 <servername> slapd[1773]: conn=2785646 fd=35 closed (TLS negotiation failure) These errors appear from multiple hosts, but there don't seem to be any issues actually logging into those servers with an LDAP account. Does anyone know what would cause these errors? The server is running Ubuntu 12.04.2, and OpenLDAP version 2.4.28. The cert was generated using GnuTLS.

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  • Why doesn't Linode ever have to shut down for updates?

    - by Tom Marthenal
    I've been using Linode for over a year now, and, unlike some lesser-known VPS hosts I've used, I've never been required to shut down my VPS by Linode. The only restarts have been ones I've initiated. How do they go for years on end without requiring restarts and with no downtime? Isn't downtime inevitable when upgrading some parts of the host system? Do they simply perform as few updates as possible? This isn't meant to be a Linode-specific question; I am only using them as an example because I have experience with them.

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  • What is the solid Windows Server 2008 VPS hosting (preferably) in Europe?

    - by Jakub Šturc
    I am looking for Windows Server 2008 VPS hosting to host a few sites/apps with special needs. I spend few hours googling but I am not satisfied with the result. I looks to me that this business is full of crap. Two thirds of the reviews seems to be faked and advertised offers is unavailable or contains some hidden fee. So my question is which VPS hosting with Windows Server 2008 do you recommend? I slightly prefer data center in Europe and euro payment it isn't deal breaker. Note: I didn't made question community wiki because I am interested in answers from users with some reputation and I want to preserve theirs answers.

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  • Dummy HTTP server for debugging

    - by Andrea
    This is more or less the inverse of my previous question. I need to debug some HTTP requests that I am making. Since these requests arise from the use of some external libraries, sometimes I am not sure of what is the actual data I am sending. Is there some dummy server (for Linux) that accepts HTTP requests and just prints them somewhere so that I can inspect them? I would like to be able to see in plain text the full request, like POST /foo HTTP/1.1 Host: www.example.com Accept: text/xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5 Accept-Language: en-gb,en;q=0.5 Content-Type: text/plain Content-Length: 11 Hello world

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  • Nagios3 check_httpname gives 503 response; from command line I get a 200 response

    - by Michael T. Smith
    We're using Nagios to monitor our site (and a bunch of other stuff.) For some odd reason, when I test out the command /usr/lib/nagios/plugins/check_http -H 'domainname.com' the response that comes back is HTTP/1.1 200 OK but when I set up the service to do it: # Check that domain is running define service { hostgroup_name hostgroup service_description host site check_command check_httpname!domainname.com use generic-service notification_interval 1; set > 0 if you want to be renotified } the response that comes back is HTTP/1.1 503 Service Unavailable. Does anyone know why this would be happening?

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  • Maximum disk size for a Debian 6 VMware installation?

    - by Mohamed Abobakr
    I'm planning to install a variety of Linux distributions on VMware Player to get more experience with Linux (I've only used Fedora back in university). I'm starting with Debian 6.0.5 Squeeze, and have already downloaded the small CD i386 netinst image. In the new virtual machine wizard, it's asking me for the maximum disk size of the image. It says that the recommended size for Debian 6 is 8 GB. However, I'm trying to figure out what is the absolute minimal size that I can get away with, since I'm only testing it out with very few software installations (mainly testing web server applications).

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  • Working WCF WebServices with NLB server

    - by gguth
    Im starting the architecture of a new project using WCF, but im not the right person to make some network considerations, so im doing some research but cannot find the answers to these questions: We´ll host the WCF service in a common Windows Service app in 2 servers and we´ll have another server to make the Load-Balancing job using the WNLB. The fact that we are hosting the WCF in a Windows Service app can disturb the NLB job? Before my research i thought the load balancing was tought to configure, but with NLB it seems to be very simple, its really that simple? Note: The binding will be basicHttpBinding

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  • Hyper-V and custom resolution

    - by Thomas Levesque
    I know this question has been asked many times (here and on TechNet), and the answer is usually "use RDP". But apparently, RDP is now the only option, and it's what I'm using. My screen is an LCD TV with a resolution of 1360x768. Unfortunately, this resolution is apparently not supported; the closest I can get in a Windows 8 VM is 1366x768, and it adds scrollbars, which make it difficult to put the mouse in the corners to get at the start screen and charm bar... Smaller resolutions don't fill the screen, so it's also difficult to put the mouse in the corner. Is there a way to set a custom resolution to fit my screen exactly ? (note: I know it's not a Windows 8 problem, since I don't have this problem on my host machine which also runs Windows 8. I assume it's related to the display adapter used by Hyper-V, but there don't seem to be any options to change it)

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  • Are Plesk server backups useful?

    - by Michael T. Smith
    I'm working for a startup now, and I'm the programmer. Because of our small team size, I'm also handling the server management for now (until we get a dedicated server administrator.) I've never used Plesk before, and the server we're using (a Media Temple Dedicated Virtual server) had it installed when I got here. One of my first jobs was to set up backups: Plesk was already running it's nightly server-wide backups. I created a small script to dump the web app, it's DBs and any assets, tar them, store them, and then copy them to another small server we have (to backup the backups.) But, we're constantly running into hard drive space issues because of the Plesk backups. And I'm wondering, are they useful? If I have the web app and all of it's assets, I could easily enough get another server up and running. Do we need to keep running Plesk's backups? Thoughts?

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  • WSUS setup on ADS Domain Controller VM

    - by NickC
    How should I setup sharing/directory permissions to allow the following to work: VMHost - Hyper-V partition (not part of domain) ADServer - Active Directory Domain Controller running as guest VM on VMHost \VMHost\Updates disk share for WSUS to put the updates and other local files Problem is what permissions do I need to give to \VMHost\Updates to allow WSUS to work with this directory to avoid "The WSUS content directory is not accessible" error which I am currently seeing. As far as I can tell WSUS runs as "domain/Network Service" account. Question is without adding VMHost to the domain how do I give that user appropriate permissions to this directory? Is there a way that VMHost can be told to trust ADServer and then be able to use users accounts from there? Sort of relates to my other post here: Win 2012 Domain controller VM, should the Hyper-V host be part of the domain? Thanks, Nick

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  • Best filesystem choices for NFS storing VMware disk images

    - by mlambie
    Currently we use an iSCSI SAN as storage for several VMware ESXi servers. I am investigating the use of an NFS target on a Linux server for additional virtual machines. I am also open to the idea of using an alternative operating system (like OpenSolaris) if it will provide significant advantages. What Linux-based filesystem favours very large contiguous files (like VMware's disk images)? Alternatively, how have people found ZFS on OpenSolaris for this kind of workload? (This question was originally asked on SuperUser; feel free to migrate answers here if you know how).

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  • Apache ProxyPass ignore static files

    - by virtualeyes
    Having an issue with Apache front server connecting to a Jetty application server. I thought that ProxyPass ! in a location block was supposed to NOT pass on processing to the application server, but for some reason that is not happening in my case, Jetty shows a 404 on the missing statics (js, css, etc.) Here's my Apache (v 2.4, BTW) virtual host block: DocumentRoot /path/to/foo ServerName foo.com ServerAdmin [email protected] RewriteEngine On <Directory /path/to/foo> AllowOverride None Require all granted </Directory> ProxyRequests Off ProxyVia Off ProxyPreserveHost On <Proxy *> AddDefaultCharset off Order deny,allow Allow from all </Proxy> # don't pass through requests for statics (image,js,css, etc.) <Location /static/> ProxyPass ! </Location> <Location /> ProxyPass http://localhost:8081/ ProxyPassReverse http://localhost:8081/ SetEnv proxy-sendchunks 1 </Location>

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  • Monitoring bandwidth/latency/jitter between 2 sites?

    - by TheCleaner
    I have 2 sites connected via an MPLS network and I'd like to do the following: setup a host on each end that can "talk" back and forth between each other and somehow report/log what kind of throughput, jitter, latency, etc. they are experiencing between each other in 5 minute intervals. Something similar to Qcheck but that can be automated. Bottom line is I'm trying to determine if the WAN network is "stable" throughout the day or if something is wrong. We have video conferences between these sites and even at 1024kbps calls we are experiencing delays and jitter. I'm hoping to exonerate the network with some testing.

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