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  • RRAS Svr on win 2003 provides same gateway as the ip to vpn clients and subnet as 255.255.255.255

    - by Amit Phatarphekar
    Hello - I've setup a RRAS Svr on win 2003 svr, to provide VPN access to clients. I've followed all directions in microsoft documentation to finish the setup. A VPN client successfully connects when I connect to the VPN svr. But when I look at the ipconfig info, I see that the IP and Gateway are same and subnet is 255.255.255.255. Example IP - 10.0.0.121 Gateway - 10.0.0.121 subnet - 255.255.255.255 DNS - 10.0.0.12 What am I doing wrong?

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  • Windows Vista: TCP/IP stack is smashed, how to reinstall the LAN-Devices?

    - by Ice
    the TCP/IP stack is smashed, thats why no LAN-Connections are running. I want to download the LAN drivers from another computer and uninstall and reinstall the LAN devices on this system. Hopefully that should recreate the stack. But what to download? What uninstall? How to install? Windows Vista is protected against such changes, so how to achieve that job? please help. Update per 2011-03-11: I found all the tipps and hints about "TCP/IP Repair, LSP Fix, and WinSock Fix" according to windows vista but nothing helped to bring back network access. What can i do as next step or which opportunities are left?

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  • How to make OS X send LOCAL IP address in www request headers?

    - by Louis W
    I need to be able to send the local IP address of a computer along with the headers when making requests to a website. Similar to the way you can get the _SERVER["REMOTE_ADDR"] in php, but the local ip (e.g. 192.168.100.1) This will be an intranet so the environment can be controlled. Anything can be installed on the computer, etc. This will be on a Mac OS X computer. Hoping for both Safari AND Firefox. But would be open to using one one. Does anyone know if this is possible? Thanks so much.

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  • how limit the number of open TCP streams from same IP to a local port?

    - by JMW
    Hi, i would like to limit the number of concurrent open TCP streams from the the same IP to the server's (local) port. Let's say 4 concurrent conncetions. How can this be done with ip tables? the closest thing, that i've found was: In Apache, is there a way to limit the number of new connections per second/hour/day? iptables -A INPUT -p tcp --dport 80 -i eth0 -m state --state NEW -m recent --set iptables -A INPUT -p tcp --dport 80 -i eth0 -m state --state NEW -m recent --update --seconds 86400 --hitcount 100 -j REJECT But this limitation just messures the number of new connections over the time. This might be good for controlling HTTP traffic. But this is not a good solution for me, since my TCP streams usually have a lifetime between 5 minutes and 2 hours. thanks a lot in advance for any reply :)

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  • HOw to deny a particular mac address client not to obtain ip/name from dhcp & dns server..

    - by Deepak Narwal
    Hello Friends... I configures DHCP server on my rhel 5.4 machine.Clients are getting ip from this DHCP server.NO problem upto this.. NOw i want that a particular mac address client do not pick ip from this dhcp server.. Same question is with my DNS server. I want that a particular mac address client do not pick name from this dns server.. PLz discuss in little bit details i am very new in this field.I am learning these things.I hope YOu will give detailed explaiantion.. Thanks IN ADvance friends..

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  • wildcard host name bindings for multiple subdomains in multiple sites on IIS7 with a single IP address

    - by orca
    Situation: I have a single windows 2008 server with a single public IP address. I have multiple domains with wildcard A records pointing to the single IP address. I need each domain to be hosted by a different web site. (i.e. www.domain1.com by site domain1site) I need domain1.com to act like www.domain1.com I need each site to be able to have multiple subdomains (i.e. www.domain1.com, abc.domain1.com, xyz.domain1.com) Not relevant yet here it goes, I plan to handle each subdomain by a different application hosted in the same site (i.e. application /xyz in domain1site) However I found out that IIS7 does not support creating web sites with wildcard host name binding and setting it without any subdomain (i.e. domain1.com) does not work, even for www.domain1.com. Is there a simple solution? Does any IIS Extension like Application Request Routing provide such capability?

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  • Two virtual host one with Domain name one with internal ip#?

    - by Abhishek
    Is it possible to have two virtual host configurations for the same server - one with internal ip address and one with domain name? Something like <VirtualHost {{internal-ipaddress}}:80> ....... </VirtualHost> <VirtualHost {{domain-name}}:80> ....... </VirtualHost> Note that the internal IP address and the domain name belong to the same server or same server instance. I am asking this to restrict some URLs for external users, redirect to https all external access and allow everything for internal users(without https)..

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  • How to limit server to specific IP addresses with mod_authz_host?

    - by BeeDog
    Hi! I am very new to this area, so please bear with me. :) Right now I am running an Apache HTTP server on my setup, a very basic configuration. The website hosted on it is accessible from anywhere, and I want to limit the access to a specific IP address range. I've looked into this and I found that one Apache module called mod_authz_host handles this. http://httpd.apache.org/docs/2.2/mod/mod_authz_host.html The problem is, I haven't managed to find documentation that explains well how to actually do the stuff. How do I actually make sure only a certain range of IP addresses can access my site/server? The machine is running Ubuntu Server 10.10, the web files are stored in /var/www/, the apache2 daemon has its stuff stored in /etc/apache2/ and /usr/lib/apache2/modules/*. Thanks in advance, and sorry if this is a stupid question!

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  • Setting up a server with only subdomains, any connection to top level goes to main server on another IP?

    - by Anagio
    I'm developing a web app where users will have their own sub-domain to login to and use the application. I'm running wordpress for the main website to manage the public / front end. Our application is developed in zend framework. The zf project is currently in a subfolder on the main server. I'd like to place the zend framework project onto another server (different IP) and keep it separate from the the wordpress front end www.domain.com site. The zf application server will run nginx. I'm not sure how to setup a server to run strictly sub domains. Setting up the virtual hosts in the configuration file is no problem. To give the users username.domain.com. But what about the main default configuration file? How would that be configured since the top level domain is technically another server (wordpress) on another IP?

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  • WAMP - phpmyadmin 403 error from localhost, but not from IP 127.0.0.1?

    - by kdub
    I was wondering if anyone can explain this to me. I installed WAMP 2.2. I opened up the dashboard menu, and clicked localhost. I was brought to the WAMP localhost home page. I clicked on phpmyadmin and get a 403 access is denied error message. However, if I type in the ip address 127.0.0.1/phpmyadmin in the address bar, then VOILA, I am in (however, I am not prompted to login to phpmyadmin, I am instantly brought to the phpmyadmin homepage) Please note, I have found the solution to get rid of the 403 error message when entering phpmyadmin from the the localhost extension (change the Deny all setting to Allow all); so I am not asking how to solve that, but my question is: Why if localhost and 127.0.0.1 go to the same spot, will when using the IP addres, I am granted access to subsequent applications and with localhost I am not? Any feedback would be greatly appreciated.

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  • What is the best way to get the external internet gateway IP reported periodically?

    - by basilmir
    I have a OS X Server behind an airport extreme, serving services via opened ports on the airport. The server has a 10.0.x.x local address, always the same one. The airport extreme gets it's external IP address via PPPoE, and sometimes... once a week it changes. For security reasons WE ACTUALLY like this behavior. But i need a way to know the external IP address just in case i need to connect and do something to the server while on the outside. What can i do?

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  • What does this error mean (Can't create TCP/IP socket (24))?

    - by user105196
    I have web server with OS RHEL 6.2 and Mysql 5.5.23 on another server and the web server can read from Mysql server without problem, but some time I got this error: [Sun Sep 23 06:13:07 2012] [error] [client XXXXX] DBI connect('XXXX:192.168.1.2:3306','XXX',...) failed: Can't create TCP/IP socket (24) at /var/www/html/file.pm line 199. my question : What does this error mean (Can't create TCP/IP socket (24))? is it OS error or Mysql error ? perl -v This is perl, v5.10.1 (*) built for x86_64-linux-thread-multi mysql -V mysql Ver 14.14 Distrib 5.5.23, for Linux (x86_64) using readline 5.1 su - mysql -s /bin/bash -c 'ulimit -a' core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 127220 max locked memory (kbytes, -l) 64 max memory size (kbytes, -m) unlimited open files (-n) 1024 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 10240 cpu time (seconds, -t) unlimited max user processes (-u) 1024 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited

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  • Access logs show someone "GET"ing a random ip, why does this return 200?

    - by Wilduck
    I have a small linux box set up with Apache as a way to teach myself Apache. I've set up port forwarding on my router so it's accessible from the outside world, and I've gotten a few strange requests for pages that don't exist from an ip address in China. Looking at my access_log shows that most of these return 404 errors, which I'm guessing is a good thing. However, there is one request that looks like this: 58.218.204.110 - - [25/Dec/2010:19:05:25 -600] "GET http://173.201.161.57/ HTTP/1.1" 200 3895 I'm curious what this request means... That ip address is unconnected to my server as far as I know, and visiting it simply tells me information about my uid. So, my questions are: How is it that this request is showing up in my access_log, why is it returning 200, and is this a bad thing (do I need to set up more security)?

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  • Recommended Free DNS hosting for my webserve on a dynamic IP? [closed]

    - by JSchwartz
    I have finished a webserver project (for school) and the professor wants to be able to "test it" from home whenever he is free - this means I need to provide his with the URL to my webserver (which is fine). The only issue is that my IP-Address is dynamic (changes almost everyday) and I would rather not have to email him everytime - nor do I want him to try when it isn't working ... So I was looking into alternative solutions like DNS hosting (I hope that is the right terminology), so I could provide something static for him to connect to ... problem is I have never done this before... Are there any recommeneded free ones? Does Google or someone provide something good? I found http://www.no-ip.com/ which seems like it does what I want... Any feedback would be appreciated. Thanks,

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  • Printer on different network(IP range), can i print to it?

    - by John
    Heres my situation, client PC is on the same network as the printer to start with: 192.168.1.X Thats fine and printing is fine, however our clients are required to connect to the VPN using the installed cisco client - this creates a virtual adapter and now the PC is connected to a 10.0.0.X IP range and can no longer see the printer, thus my problem! If I do an IPCONFIG/ALL the PC still has the 192.168.1.X address but it I can't ping anything on it. Is it possible to use both IP ranges at the same time?

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  • I can't get an IP address from a VirtualBox VM on OSX from some routers (ie Internet cafes)

    - by ezrock
    On OSX 10.7.3, VirtualBox, using bridged adapter. Everything on the networking side works perfectly as expected in some networking environments, like my home router and some cafes. In others, I can't get an IP address over DHCP, and I don't know why. I suspect there is some setting on the router that is preventing me, or I have some issue with my MAC adress. When it's not working, in syslog, I'll see a few DHCPDISCOVER messages as my VM tries to find a DHCP server, and after a while, "No DHCPOFFERS received" And when I go to a "good" router, a simple "service network restart" is all I need to get an IP. Any ideas?

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  • Is the IP from the source or target in this System.Net.Sockets.SocketException?

    - by Jeremy Mullin
    I'm making an outbound connection using a DNS name to a server other than the localhost, and I get this exception: System.Net.WebException: Unable to connect to the remote server --- System.Net.Sockets.SocketException: No connection could be made because the target machine actively refused it 127.0.0.1:5555 The text implies that the TARGET machine refused the connection, but the IP address and port are from the localhost, which is kind of confusing. So is that IP address really the outgoing IP and port, even though the exception was caused by the target refusing the connection? Or is the exception from the local firewall blocking the outgoing connection?

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  • Which database engines support IP addresses as a native type?

    - by Matt McClellan
    I'm trying to find databases with support for IP addresses as a native type (as opposed to storing as a string, or an unsigned integer, which at least one commenter has already pointed out won't work for IPv6). The primary reason I'm looking for this is ease of development. For example, sorting on a "native" IP address column would be correct (as opposed to when it's stored as a string). I would assume support for such a type would also include useful operations such as determining if an IP address is inside a specified network for use in WHERE clauses. The only one I'm aware of so far is PostgreSQL with its inet class. Does anyone have any others?

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  • Interview Questions that can be asked on TCP/IP, UDP, Socket Programming ?

    - by Shantanu Gupta
    I am going for an interview day after tomorrow where i will be asked vaious questions related to TCP/IP and UDP. As of now i have prepared theoritical knowledge about it. But now I am looking up for gaining some practicle knowledge related to how it works in a network. What all is going in vaious .NET classes. I want to create a very small application like a chat or something that can make me all these concepts very much clear. Could you please suggest some questions related to TCP/IP that you generally ask or that you might have faced. How communication is going from server to client. Right now I am studying TcpClient, TcpListener and UdpClient Class but I want to implement all of them so as to get aware about its working. Is Chat application a Tcp/IP application ? I would appreciate your help.

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  • nginx problem accessing virtual hosts

    - by Sc0rian
    I am setting up nginx as a reverse proxy. The server runs on directadmin and lamp stack. I have nginx running on port 81. I can access all my sites (including virtual ips) on the port 81. However when I forward the traffic from port 80 to 81, the virtual ips have a message saying "Apache is running normally". Server IPs are fine, and I can still access virtual IP's on 81. [root@~]# netstat -an | grep LISTEN | egrep ":80|:81" tcp 0 0 <virtual ip>:81 0.0.0.0:* LISTEN tcp 0 0 <virtual ip>:81 0.0.0.0:* LISTEN tcp 0 0 <serverip>:81 0.0.0.0:* LISTEN tcp 0 0 :::80 :::* LISTEN apache 24090 0.6 1.3 29252 13612 ? S 18:34 0:00 /usr/sbin/httpd -k start -DSSL apache 24092 0.9 2.1 39584 22056 ? S 18:34 0:00 /usr/sbin/httpd -k start -DSSL apache 24096 0.2 1.9 35892 20256 ? S 18:34 0:00 /usr/sbin/httpd -k start -DSSL apache 24120 0.3 1.7 35752 17840 ? S 18:34 0:00 /usr/sbin/httpd -k start -DSSL apache 24495 0.0 1.4 30892 14756 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24496 1.0 2.1 39892 22164 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24516 1.5 3.6 55496 38040 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24519 0.1 1.2 28996 13224 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24521 2.7 4.0 58244 41984 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24522 0.0 1.2 29124 12672 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24524 0.0 1.1 28740 12364 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24535 1.1 1.7 36008 17876 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24536 0.0 1.1 28592 12084 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24537 0.0 1.1 28592 12112 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24539 0.0 0.0 0 0 ? Z 18:35 0:00 [httpd] <defunct> apache 24540 0.0 1.1 28592 11540 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL apache 24541 0.0 1.1 28592 11548 ? S 18:35 0:00 /usr/sbin/httpd -k start -DSSL root 24548 0.0 0.0 4132 752 pts/0 R+ 18:35 0:00 egrep apache|nginx root 28238 0.0 0.0 19576 284 ? Ss May29 0:00 nginx: master process /usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf apache 28239 0.0 0.0 19888 804 ? S May29 0:00 nginx: worker process apache 28240 0.0 0.0 19888 548 ? S May29 0:00 nginx: worker process apache 28241 0.0 0.0 19736 484 ? S May29 0:00 nginx: cache manager process here is my nginx conf: cat /usr/local/nginx/conf/nginx.conf user apache apache; worker_processes 2; # Set it according to what your CPU have. 4 Cores = 4 worker_rlimit_nofile 8192; pid /var/run/nginx.pid; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; log_format main '$remote_addr - $remote_user [$time_local] ' '"$request" $status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; server_tokens off; access_log /var/log/nginx_access.log main; error_log /var/log/nginx_error.log debug; server_names_hash_bucket_size 64; sendfile on; tcp_nopush on; tcp_nodelay off; keepalive_timeout 30; gzip on; gzip_comp_level 9; gzip_proxied any; proxy_buffering on; proxy_cache_path /usr/local/nginx/proxy_temp levels=1:2 keys_zone=one:15m inactive=7d max_size=1000m; proxy_buffer_size 16k; proxy_buffers 100 8k; proxy_connect_timeout 60; proxy_send_timeout 60; proxy_read_timeout 60; server { listen <server ip>:81 default rcvbuf=8192 sndbuf=16384 backlog=32000; # Real IP here server_name <server host name> _; # "_" is for handle all hosts that are not described by server_name charset off; access_log /var/log/nginx_host_general.access.log main; location / { proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_pass http://<server ip>; # Real IP here client_max_body_size 16m; client_body_buffer_size 128k; proxy_buffering on; proxy_connect_timeout 90; proxy_send_timeout 90; proxy_read_timeout 120; proxy_buffer_size 16k; proxy_buffers 32 32k; proxy_busy_buffers_size 64k; proxy_temp_file_write_size 64k; } location /nginx_status { stub_status on; access_log off; allow 127.0.0.1; deny all; } } include /usr/local/nginx/vhosts/*.conf; } here is my vhost conf: # cat /usr/local/nginx/vhosts/1.conf server { listen <virt ip>:81 default rcvbuf=8192 sndbuf=16384 backlog=32000; # Real IP here server_name <virt domain name>.com ; # "_" is for handle all hosts that are not described by server_name charset off; access_log /var/log/nginx_host_general.access.log main; location / { proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_pass http://<virt ip>; # Real IP here client_max_body_size 16m; client_body_buffer_size 128k; proxy_buffering on; proxy_connect_timeout 90; proxy_send_timeout 90; proxy_read_timeout 120; proxy_buffer_size 16k; proxy_buffers 32 32k; proxy_busy_buffers_size 64k; proxy_temp_file_write_size 64k; } }

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  • Modify registry for Internet Connection Sharing?

    - by Tim
    My OS is Windows XP. Quoted from How to Change the IP Range for the Internet Connection Sharing DHCP service Use Registry Editor to modify the data value of the IntranetInfo value in the following registry key: Hkey_Local_Machine\System\CurrentControlSet\Services\ICSharing\Settings\General The first number listed is the IP address of the internal IP address of the Connection Sharing host. The second number is the subnet IP address separated by a comma. Enter the first IP address of the new range followed by the subnet mask, separated by a comma. (For example, 169.254.0.1,255.255.0.0.). Modify the data value of the Start value in the following registry key: Hkey_Local_Machine\System\CurrentControlSet\Services\ICSharing\Addressing\Settings Change the value to the second address of the selected IP range. This address cannot be the same or a lower value than the IP address used for the IntranetInfo key. Modify the data value for the Stop value in the same registry key. Enter the last the IP address of the selected IP range. My registry table does not have Hkey_Local_Machine\System\CurrentControlSet\Services\ICSharing, and I don't know how to do with my registry table following the above three steps. Can someone guide me through it step by step?

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  • Openconnect for Cisco VPN doesn't recognize private key file - asn1 encoding routines:ASN1_CHECK_TLEN:wrong tag

    - by Alexander Skwar
    I'm trying to use my Synology DS212 NAS box also act as VPN gateway to my companies VPN. Sadly, they only use Cisco ASA and to complicate stuff even further, we've got to use personal certificates (which is of course more secure, but more complicate to get going…). So I compiled OpenConnect v4.06 from http://www.infradead.org/openconnect/. As a very basic test, I tried to build a connection by manually invoking openconnect, passing along the key and cert files, like so: /lib/ld-linux.so.3 --library-path /opt/lib \ /opt/openconnect/sbin/openconnect \ --certificate=$VPN_CFG/alexander.crt \ --sslkey=$VPN_CFG/alexander.key \ --cafile=$VPN_CFG/Company_VPN_CA.crt \ --user=alexander --verbose <ip>:443 It fails :( Attempting to connect to <ip>:443 Using certificate file $VPN_CFG/alexander.crt Using client certificate '/[email protected]/OU=Company VPN' 5919:error:0D0680A8:asn1 encoding routines:ASN1_CHECK_TLEN:wrong tag:tasn_dec.c:1315: Loading private key failed (see above errors) Loading certificate failed. Aborting. Failed to open HTTPS connection to <ip> Failed to obtain WebVPN cookie When I run the same command with the same cert/key files on a Ubuntu 12.04 box, it works: openconnect \ --certificate=$VPN_CFG/alexander.crt \ --sslkey=$VPN_CFG/alexander.key \ --cafile=$VPN_CFG/Company_VPN_CA.crt \ --user=alexander --verbose <ip>:443 Attempting to connect to <ip>:443 Using certificate file $VPN_CFG/alexander.crt Extra cert from cafile: '/CN=Company AG VPN CA/O=Company AG/L=Zurich/ST=ZH/C=CH' SSL negotiation with <ip> Server certificate verify failed: self signed certificate Certificate from VPN server "<ip>" failed verification. Reason: self signed certificate Enter 'yes' to accept, 'no' to abort; anything else to view: yes Connected to HTTPS on <ip> GET https://<ip>/ […] Well… The error on the NAS is this: 5919:error:0D0680A8:asn1 encoding routines:ASN1_CHECK_TLEN:wrong tag:tasn_dec.c:1315: Any ideas, what's causing this? On Syno, I use OpenConnect 4.06. On Ubuntu, I just compiled and installed to a custom location OpenConnect 4.06 as well. Thanks, Alexander

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