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  • Resetting TCP/IP Settings on Windows 8

    - by cpx
    Apparently, there's a command: netsh int ip reset which is known to reset TCP/IP settings for Windows XP/Vista/7 and I'm not sure how it works correctly on Windows 8. When I typed the command under command prompt (Admin) I got two errors as pointed out in the screenshot: Resetting , failed. Access is denied. At the end it said Resetting , OK! So, how do I confirm if it worked or not?

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  • What is the equivalent of Cisco's 'ip virtual-reassembly' for a Juniper ISG 2000

    - by 2xyo
    I tested my dns servers with the oarc test and my size limit is at least 1403 bytes. I performed the same test before my Juniper ISG 2000 and the result is 2047 bytes. According to the chapter IP "Fragments Filtered" and this article, I think I have a fragmentation problem. This article talks about ip virtual-reassembly for cisco but I can't find the equivalent for Juniper. I prefer to find the good option in JunOS before I talk about this with my net admin :-) Thanks

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  • subdomain on another ip address

    - by pixeline
    hello, my main domain (domain.com) sits on a server with ip address 1. I need to have a subdomain (forum.domain.com) point to a server with ip address 2. Both servers are hosted at iWeb, so i have a cPanel interface to manage them, but i can't find the right way to do that. I tried a .htaccess redirection, which works, but the visible address in the browser changes too. Any help on how to do that would be appreciated. Thank you

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  • Passing IP address with mod_proxy

    - by Konrad Garus
    I have Apache with mod_proxy passing requests to Tomcat. The trouble is, when I get client IP address associated with a request in web app hosted on Tomcat, it always returns 127.0.0.1. Is it possible to have Apache pass the original IP address to Tomcat?

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  • VPN - force a selective range of ip to run on VPN (linux)

    - by Francesco
    Preface: I know there are similar question here and there however I'm a kind of newbie on Net stuff so I need an answer on this specific scenario, hoping that can help others too as it is a common problem Let say I cannot do anything on the local switch to change the local ip range, I don't want to use any complicate trick as use VMachine to hide the local ip range but I want to use net tools to solve the issue. Scenario my local net assign me an IP of this class 192.168.1.xxx (ex. 192.168.1.116) and my VPN (VPNC) assign me IP of same class 192.168.1.xxx (ex. 192.168.1.247) Obviously I need VPN to access local address (ex. 192.168.1.100) but when I open any address of the class 192.168.1.xx the route point to my local net and not to the VPN ones. I'm on linux and i'd like gui solution (network manager) in case it is not possible let play with route command. here what network manager offer me: Here my actual route once connected to the VPN: Here some route information (route -n) Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 0.0.0.0 0.0.0.0 U 0 0 0 ppp0 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 wlan0 182.71.21.106 192.168.1.1 255.255.255.255 UGH 0 0 0 wlan0 182.71.21.106 192.168.1.1 255.255.255.255 UGH 0 0 0 wlan0 192.168.1.0 0.0.0.0 255.255.255.0 U 9 0 0 wlan0 192.168.1.246 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0 Here my ifconfig : ppp0 Link encap:Point-to-Point Protocol inet addr:192.168.1.247 P-t-P:192.168.1.246 Mask:255.255.255.255 UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1400 Metric:1 RX packets:3415 errors:0 dropped:0 overruns:0 frame:0 TX packets:2525 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:3 RX bytes:3682328 (3.6 MB) TX bytes:402315 (402.3 KB) wlan0 Link encap:Ethernet HWaddr 4c:eb:42:06:a3:a6 inet addr:192.168.1.116 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::4eeb:42ff:fe06:a3a6/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:72598 errors:0 dropped:0 overruns:0 frame:0 TX packets:42300 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:76000532 (76.0 MB) TX bytes:13919400 (13.9 MB) The Question So basically I would like to add a rule to force this particular address (192.168.1.100) on the VPN and not on my local net

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  • Block IP Address including ICMP using UFW

    - by dr jimbob
    I prefer ufw to iptables for configuring my software firewall. After reading about this vulnerability also on askubuntu, I decided to block the fixed IP of the control server: 212.7.208.65. I don't think I'm vulnerable to this particular worm (and understand the IP could easily change), but wanted to answer this particular comment about how you would configure a firewall to block it. I planned on using: # sudo ufw deny to 212.7.208.65 # sudo ufw deny from 212.7.208.65 However as a test that the rules were working, I tried pinging after I setup the rules and saw that my default ufw settings let ICMP through even from an IP address set to REJECT or DENY. # ping 212.7.208.65 PING 212.7.208.65 (212.7.208.65) 56(84) bytes of data. 64 bytes from 212.7.208.65: icmp_seq=1 ttl=52 time=79.6 ms ^C --- 212.7.208.65 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 79.630/79.630/79.630/0.000 ms Now, I'm worried that my ICMP settings are too generous (conceivably this or a future worm could setup an ICMP tunnel to bypass my firewall rules). I believe this is the relevant part of my iptables rules is given below (and even though grep doesn't show it; the rules are associated with the chains shown): # sudo iptables -L -n | grep -E '(INPUT|user-input|before-input|icmp |212.7.208.65)' Chain INPUT (policy DROP) ufw-before-input all -- 0.0.0.0/0 0.0.0.0/0 Chain ufw-before-input (1 references) ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0 icmp type 3 ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0 icmp type 4 ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0 icmp type 11 ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0 icmp type 12 ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0 icmp type 8 ufw-user-input all -- 0.0.0.0/0 0.0.0.0/0 Chain ufw-user-input (1 references) DROP all -- 0.0.0.0/0 212.7.208.65 DROP all -- 212.7.208.65 0.0.0.0/0 How should I go about making it so ufw blocks ICMP when I specifically attempt to block an IP address? My /etc/ufw/before.rules has in part: # ok icmp codes -A ufw-before-input -p icmp --icmp-type destination-unreachable -j ACCEPT -A ufw-before-input -p icmp --icmp-type source-quench -j ACCEPT -A ufw-before-input -p icmp --icmp-type time-exceeded -j ACCEPT -A ufw-before-input -p icmp --icmp-type parameter-problem -j ACCEPT -A ufw-before-input -p icmp --icmp-type echo-request -j ACCEPT I'm tried changing ACCEPT above to ufw-user-input: # ok icmp codes -A ufw-before-input -p icmp --icmp-type destination-unreachable -j ufw-user-input -A ufw-before-input -p icmp --icmp-type source-quench -j ufw-user-input -A ufw-before-input -p icmp --icmp-type time-exceeded -j ufw-user-input -A ufw-before-input -p icmp --icmp-type parameter-problem -j ufw-user-input -A ufw-before-input -p icmp --icmp-type echo-request -j ufw-user-input But ufw wouldn't restart after that. I'm not sure why (still troubleshooting) and also not sure if this is sensible? Will there be any negative effects (besides forcing the software firewall to force ICMP through a few more rules)?

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  • Transparent Squid : Logging client ip problem

    - by llazzaro
    Hello, I am using the following rules in iptables in my network to use a transparent proxy * iptables -t nat -A PREROUTING -i eth0 -s ! squid-box -p tcp --dport 80 -j DNAT --to squid-box:3128 * iptables -t nat -A POSTROUTING -o eth0 -s local-network -d squid-box -j SNAT --to iptables-box * iptables -A FORWARD -s local-network -d squid-box -i eth0 -o eth0 -p tcp --dport 3128 -j ACCEPT But my squid log, always logs gateway IP (172.16.0.1) Do you know an alternative to not lose client IP? (of course avoid saing manual proxy setup!)

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  • Possible to direct naked domain to external IP

    - by Luke
    So I found this post: configure Bind to have a custom domain on tumblr and I was trying to ask a related question: Would it be possible to set up an A record pointing traffic to domain.com to Tumblr and feed.domain.com to the IP address of my choice? In other words, by setting up a naked domain A record to Tumblr's IP, will I inherently lose traffic to feed.domain.com? Can I write another A record for the specific subdomains I want to point to my server? I hope this makes sense.

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  • Dynamic IP and spam filtering

    - by pipalia
    Is it possible to filter incoming spam when the mail server is hosted on a dynamic IP. Static IP is not an option at the moment. Outgoing mail is relayed through a third party service which works great, but I am not sure how I could filter incoming mail within Domino. Has anyone figured out how to do achieve this? Or I am limited to what Domino has to offer to control spam and doing it manually by creating mail rules?

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  • Connecting to localhost resolves 127.0.0.1 but connects with external IP [Linux, Debian]

    - by skgsergio
    I'm having a problem with a dedicated server, I don't known if it's the default behavior but this is the problem: If I connect to a service located on the server with localhost the service gets as source IP the external IP. Let me show an example, I use netcat for listening on 127.0.0.1:4444 xxxxxx # nc -vv -l -s 127.0.0.1 -p 4444 listening on [127.0.0.1] 4444 ... Lets check if it's ok: xxxxxx ~ # netstat -atnp | grep 4444 tcp 0 0 127.0.0.1:4444 0.0.0.0:* LISTEN 14038/nc Ok lets connect: xxxxxx ~ # nc -vv 127.0.0.1 4444 localhost [127.0.0.1] 4444 (?) open Return to the tty that have the listening process and I get this: connect to [127.0.0.1] from xxxxxx.net [176.31.xxx.xx] 50354 So that's the problem. I have a server daemon that have to listen on localhost and checks that the ip is 127.0.0.1 when the client connects but for some reason when I connect to localhost it reports the external ip... If I do the same with IPv6 it works as excepted... Detects connection as localhost (::1). Some info that can be useful: "localhost" resolves without problems to 127.0.0.1 xxxxxx ~ # ping -c1 localhost PING localhost (127.0.0.1) 56(84) bytes of data. 64 bytes from localhost (127.0.0.1): icmp_req=1 ttl=64 time=0.086 ms Nothing weird on my hosts file, I think... xxxxxx ~ # grep -v ^# /etc/hosts 127.0.0.1 localhost localhost.localdomain 176.31.xxx.xx xxxxxx.net ns1.xxxxxx.net ::1 ip6-localhost ip6-loopback feo0::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters ff02::3 ip6-allhosts And ifconfig reports all ok... eth0 Link encap:Ethernet HWaddr e0:69:95:d8:30:a1 inet addr:176.31.xxx.xx Bcast:176.31.108.255 Mask:255.255.255.0 inet6 addr: 2001:41d0:8:xxxx::/64 Scope:Global inet6 addr: 2001:41d0:8:xxxx:x:xx:xx:xx/64 Scope:Global inet6 addr: fe80::e269:95ff:fed8:30a1/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:16916 errors:0 dropped:0 overruns:0 frame:0 TX packets:16914 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:8410679 (8.0 MiB) TX bytes:10539881 (10.0 MiB) Interrupt:28 Base address:0xe000 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:5570 errors:0 dropped:0 overruns:0 frame:0 TX packets:5570 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:744490 (727.0 KiB) TX bytes:744490 (727.0 KiB)

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  • Dynamic IP on NGINX geo module without restart

    - by joaorvmaia
    I want create a task on my Capistrano deploy to put my public IP on geo module configuration of my NGINX server without restart NGINX, is it possible? Example, my /etc/nginx/nginx.conf: geo $geo { default no; include /home/deploy_user/appname/shared/ip_list; } The file /home/deploy_user/appname/shared/ip_list I will provide during deploy. I need this because my public IP can change many times. Regards, João

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  • Multi-level wildcard (catch-all) DNS setup *.*.domain.com => one IP/CNAME

    - by Jan Rovner
    It is well known that it is possible to configure a DNS server to do a "catch-all" resolving on a single subdomain level, such as *.example.com. IN A x.x.x.x, so that anything.example.com maps to a single IP/CNAME. However, I need to set up an at least "level-2" wildcard sub-subdomain catch-all wildcard system so that any.thing.example.com or better, item.of.any.level.under.example.com will be resolved to a single IP. Has anyone got this working?

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  • Yahoo Messenger IP range

    - by Adrian
    I use PeerBlock (former PeerGuardian) and, as a consequence, Yahoo Messenger (actually Pidgin) fails to connect every once in a while; PeerBlock reports the access being blocked because the destination IP is in one of the block lists. Where can I get a list of all IP ranges belonging to Yahoo Messenger so I can configure an "allow" rule in PeerBlock?

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  • Remove IP address from the URL of website using apache

    - by sapatos
    I'm on an EC2 instance and have a domain domain.com linked to the EC2 nameservers and it happily is serving my pages if I type domain.com in the URL. However when the page is served it resolves the url to: 1.1.1.10/directory/page.php. Using apache I've set up the following VirtualHost, following examples provided at http://httpd.apache.org/docs/2.0/dns-caveats.html Listen 80 NameVirtualHost 1.1.1.10:80 <VirtualHost 1.1.1.10:80> DocumentRoot /var/www/html/directory ServerName domain.com # Other directives here ... <FilesMatch "\.(ico|pdf|flv|jpg|jpeg|png|gif|js|css|swf)$"> Header set Cache-Control "max-age=290304000, public" </FilesMatch> </VirtualHost> However I'm not getting any changes to how the URL is displayed. This is the only VirtualHost configured on this site and I've confirmed its the one being used as I've managed to break it a number of times whilst experimenting with the configuration. The route53 entries I have are: domain.com A 1.1.1.10 domain.com NS ns-11.awsdns-11.com ns-111.awsdns-11.net ns-1111.awsdns-11.org ns-1111.awsdns-11.co.uk domain.com SOA ns-11.awsdns-11.com. awsdns-hostmaster.amazon.com. 1 1100 100 1101100 11100

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  • How to setup multiple Apache SSL sites using multiple IP addresses

    - by Jeff
    How do you setup a single Apache2 config to host multiple HTTPS sites each on their own IP address? There will also be multiple HTTP sites on just a single IP address. I do not want to use Server Name Indication (SNI) as described here, and I'm only concerned with the important top-level Apache directives. That is, I just need to know the skeleton of how my config should look. The basic setup looks like this: Hosted on 1.1.1.1:80 (HTTP) - example.com - example.net - example.org Hosted on 2.2.2.2:443 (HTTPS) - secure.com Hosted on 3.3.3.3:443 (HTTPS) - secure.net Hosted on 4.4.4.4:443 (HTTPS) - secure.org And here are the important config directives I have so far, which is the closest I've come to a working iteration, but still no dice. I know I'm close, just need a little push in the right direction. Listen 1.1.1.1:80 Listen 2.2.2.2:443 Listen 3.3.3.3:443 Listen 4.4.4.4:443 NameVirtualHost 1.1.1.1:80 NameVirtualHost 2.2.2.2:443 NameVirtualHost 3.3.3.3:443 NameVirtualHost 4.4.4.4:443 # HTTP VIRTUAL HOSTS: <VirtualHost 1.1.1.1:80> ServerName example.com DocumentRoot /home/foo/example.com </VirtualHost> <VirtualHost 1.1.1.1:80> ServerName example.net DocumentRoot /home/foo/example.net </VirtualHost> <VirtualHost 1.1.1.1:80> ServerName example.org DocumentRoot /home/foo/example.org </VirtualHost> # HTTPS VIRTUAL HOSTS: <VirtualHost 2.2.2.2:443> ServerName secure.com DocumentRoot /home/foo/secure.com SSLEngine on SSLCertificateFile /home/foo/ssl/secure.com.crt SSLCertificateKeyFile /home/foo/ssl/secure.com.key SSLCACertificateFile /home/foo/ssl/ca.txt </VirtualHost> <VirtualHost 3.3.3.3:443> ServerName secure.net DocumentRoot /home/foo/secure.net SSLEngine on SSLCertificateFile /home/foo/ssl/secure.net.crt SSLCertificateKeyFile /home/foo/ssl/secure.net.key SSLCACertificateFile /home/foo/ssl/ca.txt </VirtualHost> <VirtualHost 4.4.4.4:443> ServerName secure.org DocumentRoot /home/foo/secure.org SSLEngine on SSLCertificateFile /home/foo/ssl/secure.org.crt SSLCertificateKeyFile /home/foo/ssl/secure.org.key SSLCACertificateFile /home/foo/ssl/ca.txt </VirtualHost> For what it's worth, I prefer to have each of my SSL sites on their own IP instead of including one of them on the primary VHOST IP. Any links which show a standard setup would be more than welcome!

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  • How do I block IP addresses in SuSEFirewall?

    - by Evgeny
    Does SuSEfirewall in OpenSuSE 11 provide an easy way to block all traffic from a list of IP addresses? Ideally just a textfile into which I can put all IP addresses I want blocked, otherwise some configuration option. I've looked through /etc/sysconfig/SuSEfirewall2, but haven't been able to find anything like that.

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  • How do I avoid spam domains pointing to my site or IP

    - by Amol Ghotankar
    I came across an issue where I saw some xyz.com is pointing to mydomain.com. How do I avoid spam domains pointing to my domain? I read some posts about setting my virtual hosts and such, but nothing specific about how to avoid it in the first place. I searched on Google but most answers are for HTTP servers and there are no exact answers for Tomcat 7. I am not using Apache or IIS, but Tomcat directly.

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