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• Dual WAN port on a WRT54GL

  - by pufferfish

  Is it possible to reconfigure one of the LAN ports on a WRT54GL (running Tomato firmware) to act as a second WAN port? I have the following networks: PPOE connection to ADSL modem (works fine on the normal WAN port) WiFi neighbourhood network (in 178.X.X.X range), via a Mikrotik routerboard which I'd like to put on the WAN side of the router. I'd then like to set up routing so than some traffic (172.X.X.X) is routed to the Mikrotik and the rest to the ADSL modem. p.s. for practical reasons, I can't use the Mikrotik as the firewall/router. Edit: It seems this can be done by editing iptables, can someone tell me exactly how?

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• Kickstart installation: Unable to read package metadata.

  - by yacov

  I'm trying to install a CentOS OS with kickstart using HTTP as the installation source. The kickstart server and the installed server are both running on VMs on the same machine. after the anaconda system installer starts it fails with the following message: I tried installing two different versions of Centos(5.5 and 5.2), and they both pass a CDROM media test the manual installation provides. The only errors on the kickstart server side are some errors in the httpd log I consider irrelevant: [Sat Mar 12 23:25:19 2011] [error] [client 192.168.1.112] File does not exist: /tftpboot/linux-install/platforms/CentOS5.5/images/product.img [Sat Mar 12 23:25:19 2011] [error] [client 192.168.1.112] File does not exist: /tftpboot/linux-install/platforms/CentOS5.5/disc1 I tried searching the internet for days and haven't found any solution... Does anyone have any idea?

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• How do I get my server to recognise a change in users?

  - by Gareth

  I'm new in post running a small charity. As a result I've inherited a system from the previous manager that was poorly run. In my enthusiasm to change login details etc. I appear to have killed my microsoft outlook account. When trying to access outlook it prompts me for my user name, domain name and password - which I'm obviously not filling in correctly because it's not accepting my answers. Is there a way to determine that information from the server side? I have access to the server and the staff computers.

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• Samba permissions on a Debian server with Fedora client

  - by norova

  I have a Debian server sharing files via Samba. I can access the files via Windows with no problems whatsoever, but when I try to mount the share on a Fedora client using the same credentials I am unable to write to any files. I have proper read access, but no write permissions. Here are the settings for the share from my smb.conf: [lampp] path = /opt/lampp writable = yes browsable = yes I have to assume that it is an issue on the Fedora side of things because accessing the share from Windows works fine. I have also tried mounting via SSHFS with no luck; it also will allow me to read files but not write. However, in Windows, using a program called WebDrive I am able to access the files (essentially via SSHFS) with no issues whatsoever. I have tried setting up NFS but not much luck there either; I'd rather just stick with Samba if possible. Any suggestions?

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• Using a Custom Domain Name In Place of etsy

  - by Graviton

  I am thinking about creating an online shop at etsy, the one requirement I have is, I want user to see my domain name (www.myname.com), instead of myname.etsy.com. Given that I don't have access to the etsy server, is there thing I can do on my domain redirect( assuming I am using apache), so that whatever request on www.myname.com will be translated to the etsy side? This is so that whoever comes to my website won't see the word etsy in the url. Another particular thing is that I want my custom domain name to show in the web browser location bar when the redirect completes. Is there anyway to do this with apache?

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• Why is my CPU fan so loud?

  - by tiiquu

  I bought an old PC to use as a second PC. Everything is fine, except for one thing. The CPU fan is terribly loud! I did a lot with PCs but I never did much with CPU fans. If I want to replace it, what do I have to look for? The fan is 8cm long on each side and 11cm diameter. It is just clipped to the cooler. The PC is a P4 3 GHz. I don't want to spend much money, as I only paid 50 euro for the whole PC. I would prefer to buy a fan for 1-3 dollar or something at eBay but I am not quite sure which one I should buy (which fits). Can you advise?

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• Google Drive stripped Outlook 2010 of all emails, contacts, etc

  - by David

  I have a business that requires I use the business email: [email protected] I loaded Google Drive as a free cloud to share project details with co-worker. Side effect is that Outlook 2010 does not work now. All incoming emails are now transferred to my personal Google account. Now I can not send business emails inclusive of business headers and footers since Outlook is erroring on send/receive. And all my history of email organization on Outlook is gone. I was previously successfully syncing outlook through Google calendar to keep my blackberry sync'd Your help is appreciated - thank you. David

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• Why would you use EAP-TTLS instead of PEAP?

  - by Ivan Macek

  As I understood EAP-TTLS and PEAP share same level of security when implemented in wireless networks. Both only provide server side authentication via certificate. The drawback of EAP-TTLS can be non native support in Microsoft Windows so every user has to install additional software. The benefit of EAP-TTLS can be support for less secure authentication mechanisms (PAP, CHAP, MS-CHAP) but why would you need them in modern and properly secure wireless system? What are you opinions? Why should I implement EAP-TTLS instead of PEAP? Let's say that I have most Windows users, medium Linux users and least iOS, OSX users.

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• Http to https behavior for visits from Internet Explorer client

  - by Emile

  My website has an SSL cert (example url: https://subdomain.example.com). Under Apache it's set up for both port 80 and port 443. So under the following configuration, anyone who goes to http://subdomain.example.com is sent to https://subdomain.example.com . But for visits from Internet Explorer, the redirect doesn't happen. Instead, http visits get a "Internet Explorer cannot display the web page." with a list of client-side solutions to try. Any ideas on how to fix the config so IE visits have the same behavior as the other browsers (that is, send http to https automatically)? NameVirtualHost *:443 <VirtualHost *:80> DocumentRoot /var/www/somewebroot ServerName subdomain.example.com </VirtualHost> <VirtualHost *:443> DocumentRoot /var/www/somewebroot ServerName subdomain.example.com # SSL CERTS HERE </VirtualHost> *Tested IE8, IE9 beta

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• Delivering from Postfix to Exchange

  - by Van Gale

  I have someone with two domains, a.com and b.com. a.com is running a postfix server on the mx host for the domain and I have total control of the server. b.com is running an exchange server on the mx host for the domain and I do not have any control of this server. They have been using b.com as their primary mail address and use the exchange calender with outlook. They want all the same functionality but want to start using a.com as primary mail address. I opened up postfix to allow relay from the ip address of the exchange server and hopefully that's enough from the outgoing side. For delivery though what can I do to forward all incoming emails to the exchange server? I have some aliases defined in /etc/aliases that should take higher priority.

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• Mixing RAM brands

  - by Andy

  Hey guys, I'm scheduled to install a server at a colo facility tomorrow, but I've hit a snag. ESXi doesn't like the fact that I have 12GB ram in my server (8gb on one side of CPU, 4gb on the other). I currently have 3xCrucial 4gb ECC DDR3 1333mhz sticks (http://www.amazon.com/gp/product/B001TGT7EE/ref=oss_product) and I'm planning on stopping by Fry's on the way to the colo facility so I can pick up another stick so that ESXi will install. Problem is, Fry's doesn't stock Crucial RAM. They do have a stick that I think is identical to my crucial one: http://www.frys.com/product/5915524?site=sr:SEARCH:MAIN_RSLT_PG Will this be dangerous to use in my server? The specs on the RAM are the same as far as I know (ecc registered, 1333mhz, ddr3, 4gb).

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• Outlook collapses IMAP folders by default

  - by Aron Rotteveel

  I recently switched my mail account from POP3 to IMAP and created server-side rules to help me manage my mail better. I use Outlook 2007 as a mail client. For some reason, it seems then ever since I switched to IMAP, all my folders are collapsed by default. Since my folder tree goes down 4 levels, this is pretty annoying. I don't know any better than Outlook remembering my folder preferences, but it seems to forget them as soon as I close the program now. Is there any cause for this, and more importantly, is there a known fix for this problem?

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• when i set my FSB to 400mhz in bios it actually stays at 333mhz

  - by Mantis

  My front side bus (FSB) is rated for a maximum of 400mhz (Rated FSB 1600MHz). In fact, it used to run at 400mhz until recently. I'm trying to overclock my E8400 to 3.6GHz. I have done that in the past by having the FSB at 400 with a multiplier of 9. Now, when I set the FSB to 400, the system boots as normal, but the FSB stubbornly is stuck at 333 (Rated FSB 1333). The CMOS is set to 400, I've triple-checked it. It's just the FSB isn't listening. Is my FSB damaged? Gigabyte mobo

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• Squid traffic tunneled through VPN

  - by NerdyNick

  So what I'm trying to do is have a Squid Proxy run on 1 machine along side a VPN connection. What I want to happen is all traffic running though the Squad Proxy would run though the VPN for its outbound. ie Desktop - (Squid Proxy - VPN) The goal is to allow my desktop selective tunneling through the VPN. So that Instant Messaging and the like that do not need to run through the VPN can go through my normal traffic. Typically I would go though a SSH Proxy but currently am forced to use VPN to gain entry into the office, and a Squid proxy seemed like it might work out the easiest for what I am needing. EDIT Realize I forgot to actually state what problem I'm running into. I have the Squid setup and verified it works, but once I connect to the VPN. All requests to Squid get accepted but Squid is unable to make the request over the VPN. So the client ends up just sitting there.

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• Is there a way to add a custom favicon to an App Tab?

  - by Iszi

  Since the release of Firefox "5", I've come to really love the new "App Tabs" feature. However, I've now realized that several internal websites at work do not have favicons. So, when I make an App Tab out of these sites, there's only a "blank page" icon in the tab. Perhaps I wouldn't mind so much if there was only one, but there's at least two or three of these. So, it's just a bit annoying to have to mouse-over the App Tabs to figure out which is what. I've tried using Favicon Picker 2 to change the bookmark icons, but it only does exactly that - changes the icon in the bookmarks folder. It doesn't change the favicon that's displayed next to the URL in the Address Bar, or the one next to the page title in tabs - the latter being that which is used for the App Tab icon. So, is there a plugin or other client-side (and preferably "Joe User" friendly) method to assign an icon to a web page or domain, that will be used in the tab bar?

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• Deep freeze alternative for Ubuntu

  - by Nrew

  I made some research and found out that Deep freeze is not available for ubuntu. Is there a software like deep freeze for Ubuntu 10.04. To prevent writing data on the disk. I need this so that I could try all sorts of stuff on Ubuntu without worrying if I could damage the Windows installation that is installed along side with it. Virtual box is good. But the performance is not. Because I only have 2gb of ram.

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• Configure Iptables to allow a PHP-app accessing a port-nr

  - by Camran

  I have a php-application which connects to another app called Solr (database search engine). I can via this php app add/remove documents (records) from the Solr index. However, the Solr security is low, and anybody with the right port nr can access Solr and remove documents (records). I wonder, is it possible to ONLY allow my own php-app to have access to Solr somehow? Prefferably via Iptables. I am thinking I can only allow my own servers IP to that port, and it would solve my problem, because PHP is a server-side code. But I am not sure. About the Php-app: The website is a classifieds website, and when users wants to add or remove classifieds, they do so through a php app, which is this one. The app has a function which connects to solr and updates the database (index). I appreciate detailed answers... Thanks

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• Different display arrangements for two identical displays

  - by Niels

  I have a MacBook Pro running OSX Lion and two workplaces with identical setups: at both places I have an 27" LED Cinema display. At one workplace my MacBook is on the left side of the external display, and at the other workplace it is on the right. I would like to have two different display arrangements for the two different setups, however, when I change the display arrangements in System Preferences when connected to one display, the arrangement is changed for the other display as well. I used to have a 27" and a 24" Cinema Display, and OSX used to remember the display arrangements for those different displays, but now the displays are identical, so they use the same arrangements setting. Is there any way to tell OSX to handle two identical displays as different ones so I can configure two different arrangements for the two setups?

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• Squid/Kerberos authentication with only Linux

  - by user28362

  Hi, I would like to know if it possible to let a Windows Xp machine authenticate to Squid (Linux) using Kerberos without the need of an Active Directory domain. I only want to create a Kerberos ticket on the client side, which should give the client access to squid (using I.E.). I only found tutorials about configuring A.D./Squid, not an environment with only Linux servers. Thanks Update: The kerberos setup is correctly done, the proxy and client can get tickets. As for the browser (FF/IE), I get: ERROR Cache Access Denied While trying to retrieve the URL: http://www.google.com/ The following error was encountered: * Cache Access Denied. Sorry, you are not currently allowed to request: http://www.google.com/ from this cache until you have authenticated yourself. In kerberos, I get: squid_kerb_auth: Got 'YR ElRNTVMTUABBAABAB4IIogAAAAAAAAAAAAAAAAAAAAAFASgDAAAADw==' from squid (length: 59). squid_kerb_auth: parseNegTokenInit failed with rc=101 squid_kerb_auth: received type 1 NTLM token This message is strange, as I didn't configure NTLM. It looks like the browser uses the wrong authentication methode.

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• Why use Google Apps Sync for Outlook to sync email?

  - by Howiecamp

  I currently use Outlook 2007 against an Exchange server for my email and will be moving to Google Apps. There are a number of ways to import your existing email and calendar entries into Google Apps Gmail (e.g. including the Google Apps Sync for Outlook tool), the Google Email Uploader, and copying messages using an IMAP client) so I'm covered on the import side. I'm trying to understand the use cases for the Google Apps Sync for Outlook tool http://mail.google.com/support/bin/topic.py?topic=23333 with respect to email and calendar entries. The description says it syncs your Outlook email and calendar items with Google Apps, but doesn't using Outlook as an IMAP client against Google Apps do the same?

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• Automatically encrypting incoming email

  - by user16067

  I have a small website and would like to encrypt incoming email using gpg. Is there a way to force sendmail to check email and encrypt it if its not already encrypted? I'm using GPG on a linux server. Thanks [added]Someone asked what I hope to accomplish. My intent is for the users of the email to become more familiar with seeing thier own email encrypted and losing that fear of the unknown. The side benefit is that the email can't be looked at later down the road. If the email isn't encrypted on its way in, I'm unable to do anything about it. I'm assuming most email would be nosed around with once its already on my hard drive, so GPG would protect against those issues.

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• PCRE limits exceeded, but triggering rules are SQL related

  - by Wolfe

  [Mon Oct 15 17:12:13 2012] [error] [client xx.xx.xx.xx] ModSecurity: Rule 1d4ad30 [id "300014"][file "/usr/local/apache/conf/modsec2.user.conf"][line "349"] - Execution error - PCRE limits exceeded (-8): (null). [hostname "domain.com"] [uri "/admin.php"] [unique_id "UHx8LEUQwYEAAGutKkUAAAEQ"] And similar are spamming my error log for apache. It's only the admin side.. and only these two lines in the config: line 349: #Generic SQL sigs SecRule ARGS "(or.+1[[:space:]]*=[[:space:]]1|(or 1=1|'.+)--')" "id:300014,rev:1,severity:2,msg:'Generic SQL injection protection'" And line 356: SecRule ARGS "(insert[[:space:]]+into.+values|select.*from.+[a-z|A-Z|0-9]|select.+from|bulk[[:space:]]+insert|union.+select|convert.+\(.*from)" Is there a way to fix this problem? Can someone explain what is going on or if these rules are even valid to cause this error? I know it's supposedly a recursion protection.. but these protect against SQL injection so I'm confused.

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• Spilled water on MS 4000 keyboard

  - by FreshCode

  I spilled some water on the left side of my Microsoft 4000 Ergonomic Keyboard xausing several keys to malfunxtion. Most started working again after leaving the keyboard upside down in a warm-air clothes dryer for an hour. I presume there is some lingering moisture whixh is xausing the keypress errors. Should i be worried about permanent damage and what xan I do to get the remaining keys baxk? Here is a list of broken/malfunxtioning keys, in xase it helps to pinpoint a solution: z, c (prints x), Right Shift, 7, 8, 9, 0 Delete, Page Up, Num-4, Num-5, Num-6, Num-(, Num-), Num-=

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• OpenVPN and PPTP on XEN VPS

  - by amiv

  I have Debian based system (Ubuntu 11.10) on XEN VPS. I've installed OpenVPN and works great. I need to install PPTP too, so did it and clients can connect, but they have no internet on client side. If I connect to VPN over PPTP I can ping and access to only my VPS by its IP, but ony that. There's no "internet" on client side. It looks it's not DNS problems (I'm using 8.8.8.8) because I can't ping known IPs. I bet the solution is simple, but don't have any idea. Any guess? /etc/pptpd.conf option /etc/ppp/pptpd-options logwtmp localip 46.38.xx.xx remoteip 10.1.0.1-10 /etc/ppp/pptpd-options name pptpd refuse-pap refuse-chap refuse-mschap require-mschap-v2 require-mppe-128 ms-dns 8.8.8.8 ms-dns 8.8.4.4 proxyarp nodefaultroute lock nobsdcomp /etc/ppp/ip-up [...] ifconfig ppp0 mtu 1400 /etc/sysctl.conf [...] net.ipv4.ip_forward=1 Command which I run: iptables -t nat -A POSTROUTING -j SNAT --to-source 46.38.xx.xx (IP of my VPS) The client can connect, first one gets IP 10.1.0.1 and DNS from Google. I bet it's iptables problem, am I right? I'm iptables noob and I don't have idea what's wrong. And here's the ifconfig and route command before client connect via PPTP: root@vps3780:~# route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface default xx.xx.tel.ru 0.0.0.0 UG 100 0 0 eth0 10.8.0.0 10.8.0.2 255.255.255.0 UG 0 0 0 tun0 10.8.0.2 * 255.255.255.255 UH 0 0 0 tun0 46.38.xx.0 * 255.255.255.0 U 0 0 0 eth0 root@vps3780:~# ifconfig eth0 Link encap:Ethernet HWaddr 00:16:3e:56:xx:xx inet addr:46.38.xx.xx Bcast:0.0.0.0 Mask:255.255.255.0 inet6 addr: fe80::216:xx:xx:dfb6/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:22671 errors:0 dropped:81 overruns:0 frame:0 TX packets:2266 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1813358 (1.8 MB) TX bytes:667626 (667.6 KB) Interrupt:24 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:100 errors:0 dropped:0 overruns:0 frame:0 TX packets:100 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:10778 (10.7 KB) TX bytes:10778 (10.7 KB) tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 inet addr:10.8.0.1 P-t-P:10.8.0.2 Mask:255.255.255.255 UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1 RX packets:602 errors:0 dropped:0 overruns:0 frame:0 TX packets:612 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:90850 (90.8 KB) TX bytes:418904 (418.9 KB) And here's the ifconfig and route command after client connect via PPTP: root@vps3780:~# route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface default xx.xx.tel.ru 0.0.0.0 UG 100 0 0 eth0 10.1.0.1 * 255.255.255.255 UH 0 0 0 ppp0 10.8.0.0 10.8.0.2 255.255.255.0 UG 0 0 0 tun0 10.8.0.2 * 255.255.255.255 UH 0 0 0 tun0 46.38.xx.0 * 255.255.255.0 U 0 0 0 eth0 root@vps3780:~# ifconfig eth0 Link encap:Ethernet HWaddr 00:16:3e:56:xx:xx inet addr:46.38.xx.xx Bcast:0.0.0.0 Mask:255.255.255.0 inet6 addr: fe80::216:xx:xx:dfb6/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:22989 errors:0 dropped:82 overruns:0 frame:0 TX packets:2352 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1841310 (1.8 MB) TX bytes:678456 (678.4 KB) Interrupt:24 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:112 errors:0 dropped:0 overruns:0 frame:0 TX packets:112 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:12102 (12.1 KB) TX bytes:12102 (12.1 KB) ppp0 Link encap:Point-to-Point Protocol inet addr:46.38.xx.xx P-t-P:10.1.0.1 Mask:255.255.255.255 UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1400 Metric:1 RX packets:66 errors:0 dropped:0 overruns:0 frame:0 TX packets:15 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:3 RX bytes:10028 (10.0 KB) TX bytes:660 (660.0 B) tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 inet addr:10.8.0.1 P-t-P:10.8.0.2 Mask:255.255.255.255 UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1 RX packets:602 errors:0 dropped:0 overruns:0 frame:0 TX packets:612 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:90850 (90.8 KB) TX bytes:418904 (418.9 KB) And ugly iptables --list output: root@vps3780:~# iptables --list Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy ACCEPT) target prot opt source destination ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED ACCEPT all -- 10.8.0.0/24 anywhere REJECT all -- anywhere anywhere reject-with icmp-port-unreachable ACCEPT all -- 10.1.0.0/24 anywhere ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED ACCEPT all -- 10.1.0.0/24 anywhere REJECT all -- anywhere anywhere reject-with icmp-port-unreachable ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED ACCEPT all -- 10.8.0.0/24 anywhere REJECT all -- anywhere anywhere reject-with icmp-port-unreachable And ugly iptables -t nat -L output: root@vps3780:~# iptables -t nat -L Chain PREROUTING (policy ACCEPT) target prot opt source destination Chain INPUT (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination Chain POSTROUTING (policy ACCEPT) target prot opt source destination SNAT all -- 10.8.0.0/24 anywhere to:46.38.xx.xx MASQUERADE all -- 10.1.0.0/24 anywhere SNAT all -- 10.1.0.0/24 anywhere to:46.38.xx.xx SNAT all -- 10.8.0.0/24 anywhere to:46.38.xx.xx SNAT all -- 10.1.0.0/24 anywhere to:46.38.xx.xx MASQUERADE all -- anywhere anywhere SNAT all -- anywhere anywhere to:46.38.xx.xx SNAT all -- 10.8.0.0/24 anywhere to:46.38.xx.xx MASQUERADE all -- anywhere anywhere MASQUERADE all -- 10.1.0.0/24 anywhere MASQUERADE all -- anywhere anywhere MASQUERADE all -- 10.1.0.0/24 anywhere As I said - OpenVPN works very good. 10.8.0.0/24 for OpenVPN (on tun0). PPTP won't work. 10.1.0.0/24 for PPTP (on ppp0). Clients can connect, but they haven't "internet". Any suggestions will be appreciated. Second whole day fighting with no results. EDIT: iptables -t filter -F - it resolved my problem :-)

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• Open source system for swipe card access?

  - by Moduspwnens

  We're looking at replacing our campus-wide magnetic swipe card system with something more robust. The "programmer" side of me says there's got to be an open-source, scalable solution that already does this, but all I've been able to find are proprietary vendor-specific solutions. Ideally, it'd have the following: Based on some open standard that allows us to select from a wide selection of card readers (like IMAP or HTTP) Support different kinds of card access (magnetic strip, RFIDs, etc.) Future-proof (to the extent possible) The lack of information I'm finding leads me to believe I'm not searching for the right things... or such a solution doesn't exist. Is there not some basic, open-source solution to this (like MySQL for databases, or Moodle for an LMS, or Apache for a web server)?

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