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  • Uninstall php5 installed from source

    - by diegomichel
    I have tried to install php5 from source , and it worked... Then for some reason need to install the official packets, so i tried a make uninstall and for my surprise there is such make uninstall... so i tried delete all the installed files by hand. Then installed the official debian packages and it worked fine... till i need install sqlite module, which give me the following error: php --version PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20090626/pdo_sqlite.so' - /usr/lib/php5/20090626/pdo_sqlite.so: undefined symbol: php_pdo_register_driver in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20090626/sqlite.so' - /usr/lib/php5/20090626/sqlite.so: undefined symbol: php_pdo_register_driver in Unknown on line 0 PHP 5.3.1-5 with Suhosin-Patch (cli) (built: Feb 22 2010 22:46:05) Copyright (c) 1997-2009 The PHP Group Zend Engine v2.3.0, Copyright (c) 1998-2009 Zend Technologies So i remember that manual install i did, and i think there is some old lib installed causing that problem, the bad thing is that there is not such make uninstall on the source code of php5... php-5.2.13 > make uninstall make: *** No rule to make target `uninstall'. Stop. I have tried reinstall and purge all php related packages via aptitude with not success. OS: Debian Squeeze. uname -a Linux desktop 2.6.32-trunk-amd64 #1 SMP Sun Jan 10 22:40:40 UTC 2010 x86_64 GNU/Linux Any idea how to fix that?

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  • Why does MOSS sometimes delete an existing user from a site?

    - by Jesse
    I'm experiencing an issue with a MOSS installation. I am using the Site Settings Permissions to add an Active Directory account as a valid user of a site. This entails validating that the user account name is correct via the 'Check Names' button, then giving them 'Contribute' permissions. Once this is done they appear as a user on the 'All People' page. This works fine and the user is able to access the site. At some point in the future (sometimes several days later) the user account is somehow removed as a valid user from the site. This site resides in a test environment so access is pretty well controlled; which has allowed us to rule out someone else going in and removing the user manually. This appears to be something that is being done by the system itself and we have no idea why. We can manually add the user back, but then it will eventually get removed again later. I have an admittedly limited understanding of SharePoint permissions, but I believe that SharePoint stores valid users in a SQL database and I would assume that when dealing with Active Directory accounts it would be storing the user name and probably the SID. It appears that for some reason this record is later getting deleted out of the database, as the users will suddenly disappear from the "All People" page and will start getting "Access Denied: You are not authorized..." messages when trying to access the site. Has anyone seen this behavior before?

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  • Fail2Ban adds iptable rules but they are not working?

    - by EApubs
    Fail2Ban just blocked my IP for 3 SSH attempts. It added the iptables rule and I can see it using the "sudo iptables -L -n" command. But I can still access the site and login through SSH! What might be the problem? Is it because im using CloudFlare? I have set Nginx to write the real IPs to the access logs instead of the Cloud Flare IP. Isn't it enough? Chain fail2ban-ssh (1 references) target prot opt source destination DROP all -- 119.235.14.8 0.0.0.0/0 RETURN all -- 0.0.0.0/0 0.0.0.0/0 The input chain : Chain INPUT (policy DROP) target prot opt source destination fail2ban-NoAuthFailures tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:80 fail2ban-nginx-dos tcp -- 0.0.0.0/0 0.0.0.0/0 multiport dports 80,8090 fail2ban-postfix tcp -- 0.0.0.0/0 0.0.0.0/0 multiport dports 25,465 fail2ban-ssh-ddos tcp -- 0.0.0.0/0 0.0.0.0/0 multiport dports 22 fail2ban-ssh tcp -- 0.0.0.0/0 0.0.0.0/0 multiport dports 22 ufw-before-logging-input all -- 0.0.0.0/0 0.0.0.0/0 ufw-before-input all -- 0.0.0.0/0 0.0.0.0/0 ufw-after-input all -- 0.0.0.0/0 0.0.0.0/0 ufw-after-logging-input all -- 0.0.0.0/0 0.0.0.0/0 ufw-reject-input all -- 0.0.0.0/0 0.0.0.0/0 ufw-track-input all -- 0.0.0.0/0 0.0.0.0/0 LOG all -- 0.0.0.0/0 0.0.0.0/0 LOG flags 0 level 4

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  • Add static route through DHCP

    - by MathieuK
    I'm trying to get an OSX Lion Server to provide a static route to its clients (all OSX Lion) over DHCP. I can't get the client to actually apply the static route. So far, I've managed to get the DHCP server (BOOTPD) to actually serve the DHCP OPTION 33 (static_route) on the DHCP offers by editing /etc/bootpd.plist and adding something like: <key>dhcp_option_33</key> <data>[some base64 goes here]</data> .. and restarting the DHCP service. On the client I've managed to get the client to actually request the dhcp option by modifying and adding option 33 to the DHCPRequestedParameterList key: <key>DHCPRequestedParameterList</key> <array> ... keys snipped for brevity ... <integer>33</integer> </array> .. and rebooting the client. This makes the client request the static_route option from the DHCP server ( i can see the proper output in ipconfig getpacket en0 ) but it doesn't actually apply the rule. Has anyone ever succeeded in applying static_route options on OSX clients through DHCP?

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  • Wildcard DNS entry to match lang subdomain

    - by Adam Benayoun
    Hey, We have a website www.example.com pointing to x.x.x.1 and a system with multiples minisites all having subdomains.examples.com pointing to x.x.x.2 Basically what we have in place is a wildcard DNS entry who could basically match any possible subdomain, once reaching x.x.x.2, the apache vhost would intercept and basically redirect it to a php script who in turn would know what minisites to serve. On www.example.com however, we server contents which are translates in several languages, until few weeks ago you could switch languages by clicking on a flag and you'd be served with the translated content. The only problem is that the URL wouldn't change and SEO wise this isn't the best solution. Now I cannot change the way subdomain are handled (being redirected to x.x.x.2) since we have hundreds, if not thousands of minisites live. I have to come up with a solution to have language.example.com redirecting to x.x.x.1 and then a rewrite rule who would basically rewrite the fake subdomain into a URL in order to pass the parameter of the language to example.com On solution is to list all possible language as DNS entries right before the wildcard DNS entry. The other solution which I am almost sure is not feasible is to have some kind of regex in a DNS entry matching all subdomain with 2 letters ( en|es|fr|cn|cl etc... ) Any ideas?

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  • nginx: how do I add new site/server_name in nginx?

    - by Neo
    I'm just starting to explore Nginx on my Ubuntu 10.04. I installed Nginx and I'm able to get the "Welcome to Nginx" page on localhost. However I'm not able to add a new server_name, even when I make the changes in site-available/default file. Tried reloading/restarting Nginx, but nothing works. One interesting observation. "http://mycomputername" in browser works. So somehow there is a command like 'server_name $hostname' somewhere over-riding my rule. File: sites-available/mine.enpass server { listen 80; server_name mine.enpass ; access_log /var/log/nginx/localhost.access.log; location / { root /var/www/nginx-default; index index.html index.htm; } } File: nginx.confg user www-data; worker_processes 1; error_log /var/log/nginx/error.log; pid /var/run/nginx.pid; events { worker_connections 1024; # multi_accept on; } http { include /etc/nginx/mime.types; access_log /var/log/nginx/access.log; sendfile on; #tcp_nopush on; #keepalive_timeout 0; keepalive_timeout 65; tcp_nodelay on; gzip on; gzip_comp_level 2; gzip_proxied any; gzip_types text/plain text/css application/x-javascript text/xml application/xml application/xml+rss text/javascript; gzip_disable "MSIE [1-6]\.(?!.*SV1)"; include /etc/nginx/conf.d/*.conf; include /etc/nginx/sites-enabled/*; }

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  • IP-dependent local port-forwarding on Linux

    - by chronos
    I have configured my server's sshd to listen on a non-standard port 42. However, at work I am behind a firewall/proxy, which only allow outgoing connections to ports 21, 22, 80 and 443. Consequently, I cannot ssh to my server from work, which is bad. I do not want to return sshd to port 22. The idea is this: on my server, locally forward port 22 to port 42 if source IP is matching the external IP of my work's network. For clarity, let us assume that my server's IP is 169.1.1.1 (on eth1), and my work external IP is 169.250.250.250. For all IPs different from 169.250.250.250, my server should respond with an expected 'connection refused', as it does for a non-listening port. I'm very new to iptables. I have briefly looked through the long iptables manual and these related / relevant questions: http://serverfault.com/questions/57872/iptables-question-forwarding-port-x-to-an-ssh-port-of-different-machine-on-the-n http://serverfault.com/questions/140622/how-can-i-port-forward-with-iptables However, those questions deal with more complicated several-host scenarios, and it is not clear to me which tables and chains I should use for local port-forwarding, and if I should have 2 rules (for "question" and "answer" packets), or only 1 rule for "question" packets. So far I have only enabled forwarding via sysctl. I will start testing solutions tomorrow, and will appreciate pointers or maybe case-specific examples for implementing my simple scenario. Is the draft solution below correct? iptables -A INPUT [-m state] [-i eth1] --source 169.250.250.250 -p tcp --destination 169.1.1.1:42 --dport 22 --state NEW,ESTABLISHED,RELATED -j ACCEPT Should I use the mangle table instead of filter? And/or FORWARD chain instead of INPUT?

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  • Is iptable capable of this or should I go with mod_proxy?

    - by Jesper
    I'm trying to configure my network to receive an incoming connection on one device and then redirect it to another device on a specific port. Right now I'm on about port 80 and a device running apache. The problem I'm facing is that when the forwarding is done it also sets the source ip to the first device instead of the source ip the user that connects to the service has. Let me illustrate it: [Internet User] = 7.7.7.7 connects to [Device 1] = 1.1.1.1:80 [Device 1] forwards it to [Device 2] = 1.1.1.2:80 [Device 2] outputs response that [Internet User] sees So on [Device 2] I will naturally see [Device 1]s IP in the logs, but I wanna see if there is a way to connect the internet user through [Device 1] to [Device 2] while seeing the real source IP in the logs on [Device 2]. Is that possible? My rule-set looks like this at the moment: (on Device 1) iptables -P FORWARD ACCEPT iptables -t nat -I PREROUTING -j DNAT -p tcp --dport 80 --to-destination 1.1.1.2:80 iptables -t nat -I POSTROUTING -j SNAT -p tcp -d 1.1.1.2 --to-source 1.1.1.1 On [Device 2] it accepts all incoming on port 80 from [Device 1] as well as accepts all related and established connections. So, would there be any way to get the real source onto [Device 2]? Let me know if you need more information!

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  • Iptables QUEUE Target and Snort

    - by bradlis7
    I'm trying to set up a firewall with support for snort, and it is dropping all of my packets when I add the QUEUE target. I've made it like this, but the QUEUE target is not allowing the packets to be processed any further: -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT -A INPUT -j QUEUE -A INPUT -j ACCEPT # It's not allowing anything past QUEUE, as you can see below in the count. > iptables -I INPUT -nv pkts bytes target prot opt in out source destination 6707 395K ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:22 933 138K QUEUE all -- * * 0.0.0.0/0 0.0.0.0/0 0 0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 I'm eventually going to change it to forward, but I'm just trying to get it working for now. I start snort like so: snort -Q -D -c /etc/snort/snort.conf EDIT: More Information When I run it, it still sees the packets without having an iptables QUEUE target rule, but when I add a QUEUE target, it starts losing all of my packets. # snort -Qc /etc/snort/snort.conf -N -A console Enabling inline operation Running in IDS mode --== Initializing Snort ==-- Initializing Output Plugins! Initializing Preprocessors! Initializing Plug-ins! Parsing Rules file "/etc/snort/snort.conf" ## === CUT === *** *** interface device lookup found: bond0 *** Initializing Network Interface bond0 Decoding Ethernet on interface bond0 ## === CUT === Not Using PCAP_FRAMES So, it says inline, but the it says it's using bond0. Inline should not require an interface, right?

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  • Possible to host CentOS netinstall files on a local HTTP/FTP?

    - by garlicman
    I'm running XenServer on an Dell R610 and am running into a catch-22. During install from DVD, CentOS can't find the DVD package catalogue. It's a reported error for some, XenServer + CentOS6 + DVD install in some hardware configurations = failed install. Yes, I checked the MD5 and let the disc test pass. In every reported case, the netinstall was the solution. The issue is my net access is required to go through a web proxy that prompts before you can download a file. This naturally breaks any download automation. I've been waiting on our IT to put in an exception rule to allow my lab to bypass the prompt, but it's been over 3 weeks now and they don't seem responsive. (I've been working on this a day or two a week) I want to try and host the netinstall files local in my Xen network. Right now I only have a bunch of Windows based VMs, CentOS won't install so I don't have any Linux tools. I had tried simply hosting all the DVD contents off one of the Windows servers using Mongoose. (I didn't want to setup IIS) I copied them to a hosted sub-directory similar to all the mirrors out there (e.g. http:///centos/6.2/os/i386/) with no auth or anything. Then in the netinstall I correctly pointed to it. I now realize just copying the DVD files over won't work. The repodata will point to a local device, not the site I'm hosting. (e.g. the DVD repodata includes xml that points to where the packages are) Clearly I'm hosting them over HTTP, not from a DVD. Is there an easy way to sort this out? I'm just trying to install CentOS6 on Xen. If there's a turnkey downloadable Xen image with CentOS 6.2 on it, or a downloadable repo image, I'll take that too! Thank you in advance!

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  • picking a linux compatable motherboard

    - by Chris
    Last time I bought a new computer (I build them myself) I got a motherboard that had really poor linux support for a long time. Specifically the audio. I had to wait months before the kernel supported the on board audio chipset. That is exactly the situation I'm trying to avoid this time around. I have some specific questions about "server motherboards" actually. I looked at a few models of server motherboards by intel, and some random models on newegg. I wasn't able to see much of a difference from regular desktop motherboard other than most had two sockets, and support for much more ram. These boards seem more popular with Linux users. Why? AMD and Intel both have server CPUs as well. Some question, what's the difference? To make this question more concrete, I was looking at this this motherboard. The main questions about it that I can't answer are: Can I get a motherboard without on board raid and audio? I wanted to get a hardware raid controller and a PCI audio card. I thought a server motherboard would be cheaper and not have these "extras", since who wants an audio card on a server? Where can I found out about Linux support for the components on this board? "Intel ICH10R", "Realtek ALC889", "Marvell 88E8056" I'm buying this computer to work as a Linux desktop for a lot of compiling, coding and audio/video work, but I don't want to rule out the possibility of installing windows and playing some games at one point. (even if the last game I got has been sitting in its box unopened for almost a year). Is it a good idea to buy a "server motherboard" and play games on it, or are desktop boards better value for this? The ultimate solution for me would be a motherboard that had GPL divers for onboard LAN, a single CPU socket, lots of PCI express and PCI. USB 3.0, and no fancy hard disk controllers since I'll be getting a separate one.

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  • iptables advanced routing

    - by Shamanu4
    I have a Centos server acting as a NAT in my network. This server has one external (later ext1) interface and three internal (later int1, int2 and int3). Egress traffic comes from users via int1 and after MASQUERADE goes via ext1. Ingress traffic comes from ext1, MASQUERADE, and goes via int2 or int3 according to static routes. | ext1 | x.x.x.x/24 +---------|----------------------+ | | | Centos server (NAT) | | | +---|------|---------------|-----+ | | | int1 | | int2 | int3 10.30.1.10/24 | | 10.30.2.10/24 | 10.30.3.10/24 ^ v v 10.30.1.1/24 | | 10.30.2.1/24 | 10.30.3.1/24 +---|------|---------------|-----+ | | | | | | | v v | | ^ -Traffic policer- | | |_____________ | | | | | +------------------|-------------+ | 192.168.0.1/16 | | Clients 192.168.0.0/16 The problem: Egress traffic seems to be dropped after PREROUTING table. Packet counters are not changing on MASQUERADE rule in POSTROUTING. If I change the routes to clients causing the traffic go back via int1 - everything works perfectly. current iptable configuration is very simple: # cat /etc/sysconfig/iptables *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -I INPUT 1 -i int1 -j ACCEPT -A FORWARD -j ACCEPT COMMIT *nat -A POSTROUTING -o ext1 -j MASQUERADE # COMMIT Can anyone point me what I'm missing? Thanks. UPDATE: 192.168.100.60 via 10.30.2.1 dev int2 proto zebra # routes to clients ... 192.168.100.61 via 10.30.3.1 dev int3 proto zebra # ... I have a lot of them x.x.x.0/24 dev ext1 proto kernel scope link src x.x.x.x 10.30.1.0/24 dev int1 proto kernel scope link src 10.30.1.10 10.30.2.0/24 dev int2 proto kernel scope link src 10.30.2.10 10.30.3.0/24 dev int3 proto kernel scope link src 10.30.3.10 169.254.0.0/16 dev ext1 scope link metric 1003 169.254.0.0/16 dev int1 scope link metric 1004 169.254.0.0/16 dev int2 scope link metric 1005 169.254.0.0/16 dev int3 scope link metric 1006 blackhole 192.168.0.0/16 default via x.x.x.y dev ext1 Clients have 192.168.0.1 as gateway, which is redirecting them to 10.30.1.1

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  • Determine wifi capabilities of Windows box (with WSUS install rules)

    - by Hagen von Eitzen
    I need to determine if a computer is in fact a laptop with wifi capabilities (with emphasis on wifi rather than laptop). More precisely, I want to distribute a piece of software I wrote via WSUS and Local Update Publisher to those clients. To this end, I want to create appropriate "Package installable rules", that is simple rule used bay the Windows Update Service on the client to decide beforehand whether or not an update/installation package is applicable. Typically, such "installabel rules" are logical combinations of rules of type "File exists", "Registry Key exists", "WMI Query", "MSI Product Installed", so I'd prefer one of those methods. The method I hope someone here can help me find should work with Win 7/Vista, preferably also with XP. My guess is that WMI query is the way to go, but I have little experience in that. I have found that one can e.g. query for EnclosureType and that might detect a laptop. However, I would be much happier if an actually available wifi interface would be detected. Does anyone have an idea how to approach this? If there is anything you need me to clarify, don't hesitate to comment.

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  • EC2 instance is blocking all outbound connections, how to diagnose/fix?

    - by Fraggle
    My EC2 instance is blocking all outbound connections. wget http://www.google.com ==> Hangs ping google.com ==>hangs ssh user@anyserver ==>hangs I ran : sudo iptables -F to eliminate all rules to no avail AWS Management console shows Security Group for that instance has Inbound rule allowing ssh and port 80. Can't find anything about Outbound rules there. Rebooted instance, no change. If anyone knows how to diagnose or fix, please help. Adding info: [ec2-user@ip-10-112-62-73 ~]$ ifconfig eth0 Link encap:Ethernet HWaddr 12:31:3D:06:31:BB inet addr:10.112.62.73 Bcast:10.112.63.255 Mask:255.255.254.0 inet6 addr: fe80::1031:3dff:fe06:31bb/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1933 errors:0 dropped:0 overruns:0 frame:0 TX packets:1764 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:164075 (160.2 KiB) TX bytes:343256 (335.2 KiB) Interrupt:9 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:8 errors:0 dropped:0 overruns:0 frame:0 TX packets:8 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:672 (672.0 b) TX bytes:672 (672.0 b) [ec2-user@ip-10-112-62-73 ~]$ ip route show 10.112.62.0/23 dev eth0 proto kernel scope link src 10.112.62.73 default via 10.112.62.1 dev eth0

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  • pfSense Load Balancer and Virtual IP

    - by jshin47
    I have two identical web servers on 10.2.1.13 and 10.2.1.113. I would like to set up pfSense load balancer to balance requests to both of these. I set up pools that included HTTP and HTTPS for both of these hosts, then set up virtual servers that responded on HTTP and HTTPS and referred traffic to its respective pool. However, I set up the virtual server to listen on 10.2.1.213, a LAN IP rather than a WAN IP, because I want LAN traffic to be able use the load balancer virtual server as well. So, I set up a Virtual IP for 10.2.1.213 on LAN IP, and a NAT port forwarding rule for HTTP and HTTPS traffic on a WAN IP to forward to 10.2.1.213. It seems like this should work, but it fails. What eventually happens is that when I try to access the page from WAN, I am directed to the login page for my pfSense device rather than the page I am expecting. When I try to access 10.2.1.213 from LAN, the request times out. What is going wrong here? I have tried it with and without NAT reflection to no avail. Please advise

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  • Window 7 Host does not answer to ping

    - by gencha
    Today I tried printing on a shared printer on one of our homegroup members. Sadly it did not work (printer marked as offline). Shortly after, I noticed I can't even ping the machine that owns the printer (I also can not remotely access it in any other way I've tried). Currently I'm trying to ping the machine from the router both computers are connected to (and my machine in question doesn't answer). I do receive the echo requests (as verified with WireShark). I also added a rule in the Windows Firewall to specifically allow ICMP echo requests, but that didn't change anything. I also tried netsh firewall set icmpsetting 8 enable, but that didn't change anything either. Completely disabling the Windows Firewall has no effect on the issue either. One has to wonder, where does Windows log when and why it ignored any incoming packets? How can I get to the bottom of this? Here are some ways I found to dig deeper into the issue: Enabling logging on the Windows Firewall Enabling Windows Filtering Platform Auditing Both methods at least give more insight into the issue. The plain log file is full of entries like this: 2011-11-11 14:35:27 DROP ICMP 192.168.133.1 192.168.133.128 - - 84 - - - - 8 0 - RECEIVE So the ICMP packets are being dropped as if that was intended. The Event Viewer now gives a little bit more details: The Windows Filtering Platform has blocked a packet. Application Information: Process ID: 4 Application Name: System Network Information: Direction: Inbound Source Address: 192.168.133.1 Source Port: 0 Destination Address: 192.168.133.128 Destination Port: 8 Protocol: 1 Filter Information: Filter Run-Time ID: 214517 Layer Name: Receive/Accept Layer Run-Time ID: 44 This same entry is always repeated with 2 points of information changing: Process ID: 420 Application Name: \device\harddiskvolume2\windows\system32\svchost.exe The service host with the PID 420 is the host for the following services: Windows Audio DHCP Client Windows Event Log HomeGroup Provider TCP/IP NetBIOS Helper Security Center Additionally, there is currently this problem with the same machine: Even though my network is set to be a "Home network", I am unable to create a new homegroup.

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  • iptables rules to allow HTTP traffic to one domain only

    - by Emily
    Hi everyone, I need to configure my machine as to allow HTTP traffic to/from serverfault.com only. All other websites, services ports are not accessible. I came up with these iptables rules: #drop everything iptables -P INPUT DROP iptables -P OUTPUT DROP #Now, allow connection to website serverfault.com on port 80 iptables -A OUTPUT -p tcp -d serverfault.com --dport 80 -j ACCEPT iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT #allow loopback iptables -I INPUT 1 -i lo -j ACCEPT It doesn't work quite well: After I drop everything, and move on to rule 3: iptables -A OUTPUT -p tcp -d serverfault.com --dport 80 -j ACCEPT I get this error: iptables v1.4.4: host/network `serverfault.com' not found Try `iptables -h' or 'iptables --help' for more information. Do you think it is related to DNS? Should I allow it as well? Or should I just put IP addresses in the rules? Do you think what I'm trying to do could be achieved with simpler rules? How? I would appreciate any help or hints on this. Thanks a lot!

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  • Blocking an IP from connecting

    - by Sam W.
    I have a problem with my Apache webserver where there's and IP than connecting to my server, using alot of connection and wont die which eventually making my webserver timeout. The connection will stay as SYN_SENT state if I check using netstat -netapu I even flush my iptables and use the basic rules and it still doesn't work. The IP will get connected when I start my Apache Basic rules that I use: iptables -A INPUT -i lo -j ACCEPT iptables -A INPUT ! -i lo -d 127.0.0.0/8 -j REJECT iptables -A INPUT -s 89.149.244.117 -j REJECT iptables -A OUTPUT -s 89.149.244.117 -j REJECT iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT iptables -A OUTPUT -j ACCEPT iptables -A INPUT -p tcp --dport 80 -j ACCEPT iptables -A INPUT -p tcp --dport 443 -j ACCEPT iptables -A INPUT -p tcp --dport 21 -j ACCEPT iptables -A INPUT -p icmp -m icmp --icmp-type 8 -j ACCEPT iptables -A INPUT -j REJECT iptables -A FORWARD -j REJECT The bold part is rule in question. Not sure this is related but tcp_syncookies value is 1. Can someone point out my mistake? Is there a way to block it for good. Thank you

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  • Apache 2: Mod_Rewrite Help - If/else for directory exists

    - by BHare
    This is my current and sloppy Apache 2 mod_rewrite. Keep in mine the part with site1 site2..etc has about 50 sites. RewriteEngine on RewriteCond %{HTTP_HOST} ^([^.]+)\.mainsite\.org$ RewriteCond /home/%1/ -d RewriteRule ^(.+) %{HTTP_HOST}$1 RewriteRule ^([^.]+)\.mainsite\.org/media/(.*) /home/$1/special/media/$2 RewriteRule ^([^.]+)\.mainsite\.org/(.*) /home/$1/www/$2 RewriteCond %{HTTP_HOST} ^mainsite\.org$ [NC] RewriteRule ^(.*)$ http://www.mainsite.org$1 [R=302] RewriteCond %{HTTP_HOST} (site1|site2|site3|site4)\.(com|net|biz|org|us)$ [NC] RewriteCond %{REQUEST_URI} !^/media/ RewriteRule ^/(.*)$ /home/%1/www/$1 RewriteCond %{HTTP_HOST} (site1|site2|site3|site4)\.(com|biz|net|org|us)$ [NC] RewriteRule ^/media/(.*)$ /home/%1/special/media/$1 RewriteCond %{REQUEST_URI} favicon.ico$ RewriteRule ^(.*)$ /misc/favicon.ico So if someone tries to go to theirusername.mainsite.org it will check if /home/theirusername/ exists, and if it does use their www (/home/theirusername/www/) as the file location for web files. If they try they try to access theirusername.mainsite.org/media/ it will make a special file location to look for the file(s) at /home/theirusername/special/media/ I would like it if the username did NOT have /home/username that it would automatically default to www.mainsite.org. I am having a hard time understanding how to do skips and such. so: If someone went to notrealusername.mainsite.org/forum/ it would auto direct to www.mainsite.org/forum/ Extra: I am using repetitive code for other site for example lets say foobar has a website foobar.com, it goes through the same process as mainsite.org so figured maybe having something like: RewriteCond %{HTTP_HOST} ^([^.]+).(mainsite.org|com|net|biz|org)$ where I could have one major rule for all existing domains who have a /home/

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  • Adding Netem Filter Rules

    - by fontsix
    iam new in programming and using linux. My Question is, is it possible to add Netem Filter Rules later ? I want to create an PHP-Interface for Netem and I don't know how much filters were required. This should be some kind of dynamically. In Example : A user with a static IP starts an Netem Command (Latency) with PHP Interface this means these five command werde executed by php in the first step $classid = 11; $handle = 10; "sudo tc qdisc add dev eth0 handle 1: root htb"; "sudo tc class add dev eth0 parent 1: classid 1:1 htb rate 100Mbps"; "sudo tc class add dev eth0 parent 1:1 classid 1:$classid htb rate 100Mbps"; "sudo tc qdisc add dev eth0 parent 1:$classid handle $handle: netem delay 100ms"; "sudo tc filter add dev eth0 protocol ip parent 1:0 prio 3 u32 match ip dst $dest flowid 1:$classid"; Now, if there would be a second user who wants to use Netem independent of the first user, i only want to execute the last 3 commands, like "sudo tc class add dev eth0 parent 1:1 classid 1:$classid htb rate 100Mbps"; "sudo tc qdisc add dev eth0 parent 1:$classid handle $handle: netem delay 100ms"; "sudo tc filter add dev eth0 protocol ip parent 1:0 prio 3 u32 match ip dst $dest flowid 1:$classid"; There is an Algorithmus for increasing variables $classid and $handle. This should work. Now my Question: Is it possible only to add these 3 commands to add a new class with new qdisc and a new filter rule ? Or how can i realize it ? The Apache Error_log tells me "sh: line 1: flowid: command not found" but i can't find any mistake. I hope you could help Best regards fontsix

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  • NGINX Configuration Error using Codex Example: Is This a Typo in Codex?

    - by jw60660
    I installed NGINX using this tutorial: C3M Digital NGINX Tuturial but after reading this article on security issues with "cut and paste" configuration tutorials: Neal Poole's article regarding security and NGINX configuration I decided to follow Poole's suggestion to use the configuration suggested in the WordPress codex: Codex on NGINX Configuration I used the Codex configuration for a multisite installation using W3 Total Cache. When attempting to start NGINX I get an error saying that the /etc/nginx/nginx.conf test failed. The error message was: "Restarting nginx: nginx: [emerg] unknown directive "//" in /etc/nginx/sites-enabled/teambrazil.com:18" When I looked at my site specific configuration at that path I noticed the rewrite rule in the server block was: rewrite ^ $scheme://teambrazil.conf$request_uri redirect; That line in the Codex example was: rewrite ^ $scheme://mysite.conf$request_uri redirect; That looked like a mistake to me, and I changed my line to: rewrite ^ $scheme://teambrazil.com$request_uri redirect; I then attempted to restart NGINX but got the same error message. My question is: is that a mistake, and is there anything more I have to do aside from restarting NGINX after making this change. As suggested by both tutorials I set up the directories: /etc/nginx/sites-enabled and /etc/nginx/sites-available and created the appropriate symbolic links using: touch /etc/nginx/sites-available/teambrazil.com ln -s /etc/nginx/sites-available/teambrazil.com /etc/nginx/sites-enabled/teambrazil.com Is there something else I need to consider after making this correction? Or was it not an error in the first place? I'm pretty stuck here. BTW, I am using Debian squeeze as an OS on Amerinoc's VPS. I'm just getting familiar with VPS administration and am pretty much a noob. Thanks very much, would appreciate any input.

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  • Syncing Multiple Google Calendars and with Outlook and Android

    - by Fred Thomas
    Perhaps this is a multipart question, but I deal with a lot of calendars in my life, and want to know if there is some way to sync them all together, and maintain appropriate privacy. So I have a family calendar that my ex and I maintain for kid events, and I have a personal calendar for my own life, and I have an Outlook work calendar, for work. Ideally I'd look at my calendar on my Android phone. Is it possible to sync them all together? Is it possible for there to be one calendar to rule them all on my phone, but have the other calendars blank out spaces that are from other calendars, but only show the blanked out without the details. (I don't want my date with Miss Hottie to appear that way on the family calendar, and I probably don't want my visit to the proctologist to appear in the corporate exchange server.) Are there tools available to do this? Bonus question, can I do the same with my to do lists? Double bouns question -- how can I solve world hunger and help us to all live together in peace? :-)

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  • What is the ip range of EC2

    - by Nicolas Kassis
    I'd like to setup a rule to block ssh request from EC2 since I've been seeing a large amount of ssh based attack from there and was wondering if anyone knew what their IP ranges are. EDIT: Thank you for the answer, I went ahead and implemented the iptables rules as follow. I ignore all traffic for the moment. Logging it just to see if the rules are working and for stats on how much crap EC2 is sending out ;) #EC2 Blacklist $IPTBLS -A INPUT -s 67.202.0.0/18 -j LOG --log-prefix "<firewall> EC2 traffic " $IPTBLS -A INPUT -s 67.202.0.0/18 -j DROP $IPTBLS -A INPUT -s 72.44.32.0/19 -j LOG --log-prefix "<firewall> EC2 traffic " $IPTBLS -A INPUT -s 72.44.32.0/19 -j DROP $IPTBLS -A INPUT -s 75.101.128.0/17 -j LOG --log-prefix "<firewall> EC2 traffic " $IPTBLS -A INPUT -s 75.101.128.0/17 -j DROP $IPTBLS -A INPUT -s 174.129.0.0/16 -j LOG --log-prefix "<firewall> EC2 traffic " $IPTBLS -A INPUT -s 174.129.0.0/16 -j DROP $IPTBLS -A INPUT -s 204.236.192.0/18 -j LOG --log-prefix "<firewall> EC2 traffic " $IPTBLS -A INPUT -s 204.236.192.0/18 -j DROP $IPTBLS -A INPUT -s 204.236.224.0/19 -j LOG --log-prefix "<firewall> EC2 traffic " $IPTBLS -A INPUT -s 204.236.224.0/19 -j DROP $IPTBLS -A INPUT -s 79.125.0.0/17 -j LOG --log-prefix "<firewall> EC2 traffic " $IPTBLS -A INPUT -s 79.125.0.0/17 -j DROP

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  • Blocking an IP in Webmin

    - by Dan J
    I've been checking my /var/log/secure log recently and have seen the same bot trying to brute force onto my Centos server running webmin. I created a chain + rule in Networking - Linux Firewall: Drop If source is 113.106.88.146 But I'm still seeing the attempted logins in the log: Jun 6 10:52:18 CentOS5 sshd[9711]: pam_unix(sshd:auth): check pass; user unknown Jun 6 10:52:18 CentOS5 sshd[9711]: pam_succeed_if(sshd:auth): error retrieving information about user larry Jun 6 10:52:19 CentOS5 sshd[9711]: Failed password for invalid user larry from 113.106.88.146 port 49328 ssh2 Here is the contents of /etc/sysconfig/iptables: # Generated by webmin *filter :banned-ips - [0:0] -A INPUT -p udp -m udp --dport ftp-data -j ACCEPT -A INPUT -p udp -m udp --dport ftp -j ACCEPT -A INPUT -p udp -m udp --dport domain -j ACCEPT -A INPUT -p tcp -m tcp --dport 20000 -j ACCEPT -A INPUT -p tcp -m tcp --dport 10000 -j ACCEPT -A INPUT -p tcp -m tcp --dport https -j ACCEPT -A INPUT -p tcp -m tcp --dport http -j ACCEPT -A INPUT -p tcp -m tcp --dport imaps -j ACCEPT -A INPUT -p tcp -m tcp --dport imap -j ACCEPT -A INPUT -p tcp -m tcp --dport pop3s -j ACCEPT -A INPUT -p tcp -m tcp --dport pop3 -j ACCEPT -A INPUT -p tcp -m tcp --dport ftp-data -j ACCEPT -A INPUT -p tcp -m tcp --dport ftp -j ACCEPT -A INPUT -p tcp -m tcp --dport domain -j ACCEPT -A INPUT -p tcp -m tcp --dport smtp -j ACCEPT -A INPUT -p tcp -m tcp --dport ssh -j ACCEPT -A banned-ips -s 113.106.88.146 -j DROP COMMIT # Completed # Generated by webmin *mangle :FORWARD ACCEPT [0:0] :INPUT ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :PREROUTING ACCEPT [0:0] :POSTROUTING ACCEPT [0:0] COMMIT # Completed # Generated by webmin *nat :OUTPUT ACCEPT [0:0] :PREROUTING ACCEPT [0:0] :POSTROUTING ACCEPT [0:0] COMMIT # Completed

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  • Tomcat Solr times out

    - by user568458
    (Plesk 10.4 centos 5.8 linux apache2 server, with Tomcat5 on port 8080 and Apache Solr) I get "The connection has timed out" on requesting domain.com:8080 or www.domain.com:8080 or ip.ad.dr.ess:8080 Every reason I can find why this might be seems not to be the case: Plesk thinks Tomcat is running fine and lists it as an active service. The firewall currently has an accept all rule on port 8080. There's nothing relevant in the catalina tomcat logs (/var/log/tomcat5) - just some stuff from last time tomcat was started. There's no record at all of the requests that fail. netstat -lnp | grep 8080 gives the following, which I beleive means Tomcat is listening to requests to port 8080 on all ip addresses from any ip and any port (please correct me if I'm wrong): : tcp 0 0 0.0.0.0:8080 0.0.0.0:* LISTEN 4018/java This covers every cause of this time out that I can find - so I must be missing something fundamental. It seems Tomcat is running, listening to the right port, is getting an appropriate IP address, is not obstructed by a firewall and is not failing after receiving a request in a way which would be recorded in the logs (so I believe it can't be out of memory, or anything like that). I'm all out of ideas on how to continue debugging this. I must have overlooked something obvious. Can anyone help?

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