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  • Mass Port Forwarding?

    - by Devoted
    Hi I had trouble but I finally port forwarded 21-23 and thus got SSH working on my Ubuntu machine. If I want to do other things with it such as FTP, should I just port forward 1-10000 so I don't have to worry about port forwarding each individual port? What are the advantages/disadvantages of this?

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  • How to bind up arrow in ~/.inputrc (readline) for vim insert mode?

    - by Pawel Goscicki
    When in Readline apps with vim mode enabled in ~/.inputrc (set editing-mode vi) is there a way to bind the up arrow key? To previous history, for example. It seems I have to press ESC key first, only then it works. Here's my attempt at making it work (~/.inputrc): $if mode=vi # INSERT MODE set keymap vi-insert "\e[A": history-search-backward # up-arrow "\e[B": history-search-forward # down-arrow Also note, that when I press Ctrl+v and then <Up>, it prints ^[[A.

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  • Basic iptables for a webserver: SSL Tomcat, postgres, ssh and that's it.

    - by Paperino
    This is probably as basic as it gets but I'm a developer and really have no experience with iptbles. The only connections I need opened are: eth0 (outward facing) ssh ping SSL to tomcat (forward port 443 to 8443) eth1(local subnet) connection to postgres server Everything else should be blocked. My current attempts seem to be leaving all other ports open. I wonder what gives. Thanks serverfault!

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  • iTerm2 Vim alt+right/left arrow

    - by Ben Mezger
    As a Linux user, I am very used to jump from word to word in vim/nano using ALT+left or right. This doesn't seem to work properly using iTerm, I am using zsh, I tried adding; bindkey -e bindkey '^[[1;9C' forward-word bindkey '^[[1;9D' backward-word It does work, but inside zsh only, then I commented those lines and added in iTerm a keyboard shortcut; It does work, but only for the ALTleft How can I make it work for the right arrow too?

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  • Problems with MGCP proxy creation

    - by Popof
    Hi, I'm trying to bypass my ISP router with my FreeBSD server (I've an optical connection so I've a RJ45 used to connect the box to WAN) Internet and TV are working fine (Using igmpproxy to forward TV stream) but I've a problem with phone. ISP's box is connected to the server which gives it a LAN address. The problem is that when the box builds MGCP packets (and especially SDP ones) it uses its LAN address. So I've think of writing an UDP proxy to handle MGCP and SDP packets in order to replace LAN address with server WAN address and then forward packet to WAN. Before starting coding I've captured stream packets using my server as a bridge between WAN connection and the ISP's box. And, in order to see if my solution is viable, I've tried to send those packets to the box using nemesis. I tried to send a packet (found in capture) containing an endpoint audit: AUEP 1447 aaln/[email protected] MGCP 1.0 F: A In the wireshark capture the box replied: 200 1447 OK A: a:PCMU;PCMA;G726-16;G726-24;G726-32;G726-40;G.723.1-5.3;G.723.1-6.3;G729;TELEPHONE-EVENT, fmtp:"TELEPHONE-EVENT 0-15,144,149,159", p:10-30, b:4-40, e:on, t:00, s:on, v:L;M;G;D, m:sendonly;recvonly;sendrecv;inactive;confrnce;replcate;netwtest;netwloop, dq-gi But when I use nemesis, I got an ICMP error: Port unreachable (Type 3, Code 3). To build this packet, WAN source address of the capture is replaced with my server LAN address, using the mgcp-callagent port (2727) and the packet is sent to the LAN address of the box at mgcp-gateway port (2427). The command I use is nemesis udp -S 192.168.2.1 -D 192.168.2.2 -x 2727 -y 2427 -P packet_to_send. I also tried an UDP scan to the box on callagent and gateway port: PORT STATE SERVICE 2727/udp open|filtered unknown 2427/udp closed unknown I found those results a little bit strange because it should be the 2427 port opened, as it was in capture. Internet Protocol, Src: <ISP MGCP Server>, Dst: <My WAN Address> User Datagram Protocol, Src Port: mgcp-callagent (2727), Dst Port: mgcp-gateway (2427) Does someone has any idea about how having my box responding to my requests ? Thanks in advance and sorry for my english.

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  • How do I detect call forwarding in Asterisk?

    - by jibcage
    Basically, I want to do the same thing that Google Voice does. I forward my calls to a DID number that rings my Asterisk server via IAX2, which, if it detects the call has been forwarded, sends it to voicemail. Otherwise, if the call hasn't been forwarded (and somebody has dialed the DID number), it dials my phone number and tries to reach me. tl;dr: how do I detect that a call has been forwarded to my asterisk box?

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  • HTC Sync Manager and MKV files

    - by Zundrium
    My problem is pretty straight forward: HTC Sync manager works perfectly with my HTC One X. However, it filters extensions it's not able to use with it's stock applications. (HTC Sense) But 3rd party applications can handle other extensions of course. Is there a way to adjust the HTC Sync Manager so that extensions will not be filtered? And if that's not possible is there a syncronisation tool that synchronises automatically once the android device is connected through USB? (Tried Allway Sync, doesn't work properly)

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  • WordPress-based ticketing systems?

    - by CarlF
    I have been asked to set up a ticketing/help desk system for a small nonprofit. Our server runs Debian GNU/Linux. Because we already have WordPress installed and plan to exploit it heavily going forward, I'm wondering whether there are any WP-based ticketing systems. Obviously, it will simplify the admin's life to have less software installed on the server. Thanks.

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  • Trying to get DNS services running on Windows Server 2008 R2, what am I getting wrong ?

    - by LaserBeak
    Ok, So I am basically trying to get a home server pc up that will provide Domain name services, act as Mail server and web server. I have one static IP, well it's not officially static but hasn't changed in two years so I'll call it static. I have done the following: Configured router NAT/virtual port forward UDP/TCP port 53 to the internal IP of my server 192.168.1.16, in adapter settings specified the manual settings: 192.168.1.16 IP, gateway 192.168.1.1, Subnet: 255.255.255.0 and loopback DNS: 127.0.0.1 Using my public my public IP Checked using http://www.canyouseeme.org/ that port 53 is open and is not being blocked by my ISP. It can see services on this port. Registered Domain name (mydomain.com.au) Updated whois database through the domain registrars site and registered NameServer names: ns0.mydomain.com.au and ns2.mydomain.com.au, both have been associated with my single public IP. (Waited 24 hours) Update the nameserver for mydomain.com.au: primary ns0.mydomain.com.au secondary: ns2.mydomain.com.au (waited 24+ hours) Installed Server 2008 R2, install web server role and DNS role. Webserver works when I enter my public IP into browser of any PC/mobile, get IIS7 welcome page. In DNS server: Created new forward lookup zone: ; ; Database file mydoman.com.au.dns for mydomain.com.au zone. ; Zone version: 10 ; @ IN SOA mydomain.com.au. mydomain.testdomain.com. ( 10 ; serial number 900 ; refresh 600 ; retry 86400 ; expire 3600 ) ; default TTL ; ; Zone NS records ; @ NS ns0.mydomain.com.au. @ NS ns1.mydomain.com.au. ; ; Zone records ; @ A 192.168.1.16 www A 192.168.1.16 The Domain name services will however not work, the whois database updated with ns0.mydomain.com.au etc. but when I type in my site name www.mydomain.com.au from an external machine it will not open site and I can't even ping it (Can't find host) When I check the ns0.mydomain.com.au NS record using a tool Like: http://www.squish.net/dnscheck/ I get: Security: Server ns0.mydomain.com.au (XXX.XXX.XXX.XX <- my public IP) is recursive Domain exists but there is no such record Any ideas, thanks...

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  • Any hardware/software routers that support Full Cone NAT?

    - by Ian Boyd
    i'm trying to get Teredo to function on my machine. Most routers, it seems, refuse to forward packets from any host other than the one i specifically connected to first. Teredo requires full Cone NAT in order to function. Does any router, hardware or software, allow full cone NAT? Is this an oversight by the designers of Teredo that nobody, in practice, can use it? i've tried m0n0wall pfsense D-Link Linksys SMC

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  • Migrating Windows Server 2003 installation to new hardware

    - by Alex
    I have a Windows 2003 Server that I want to migrate to new hardware. All the setup and configuration was done by my predecessor. Right now I'm in a real time crunch and I just want to copy all the files and settings to the new machine. Is there an easy way to do this or do I need to manually copy all the files and add all the settings? Microsoft KB suggests "Automated System Recovery", is this the best way forward?

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  • OS X - forwarding external port to local loopback address

    - by Rory Fitzpatrick
    I have an HTTP service bound to port 8000 that I want to access from another computing on the network, but I can't seem to connect using the external IP address of the machine (e.g. 192.168.0.105). I've checked the OS X firewall isn't running, so I'm assuming the issue is the service is only bound to the IP address 127.0.0.1, and not the external IP address. What would be the easiest way to temporarily forward external connections on port 8000 to 127.0.0.1:8000?

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  • replace multiple characters at different places in a string Excel 2007

    - by conspirisi
    =SUBSTITUTE(AD!H35,"&","") The formula above replaces an ampersand in a cell where I have the text Handy Person / Driver & Car giving Handy Person / Driver Car How do I also remove the forward slash '/' ? I've seen it done with nested substitute formulas, but as I probably need to remove even more characters in the future. I'd rather use a more elegant solution. Perhaps even replacing an entire class of non-alphanumeric characters is another solution?

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  • I can't connect to mysql on a remote server

    - by eisaacson
    I'm trying to connect from an Ubuntu server to a RHEL6 server using mysql. I've tried telneting into the server as well as trying to connect with mysql. I've tried commenting out the bind-address but didn't have any success with that either. I don't get an error code or anything with telnet. It just fails after a minute or so. With mysql, I get this error code ERROR 2003 (HY000): Can't connect to MySQL server on 'SERVER_IP' (111). "SERVER_IP" is of course a placeholder where actual error gives that actual IP. I've included my my.cnf as well as well as my iptables from the destination server. On Destination Server... my.cnf: [mysqld] bind-address=0.0.0.0 tmp_table_size=512M max_heap_table_size=512M sort_buffer_size=32M read_buffer_size=128K read_rnd_buffer_size=256K table_cache=2048 key_buffer_size=512M thread_cache_size=50 query_cache_type=1 query_cache_size=256M query_cache_limit=24M #query_alloc_block_size=128 #query_cache_min_res_unit=128 innodb_log_buffer_size=16M innodb_flush_log_at_trx_commit=2 innodb_file_per_table innodb_log_files_in_group=2 innodb_buffer_pool_size=32G innodb_log_file_size=512M innodb_additional_mem_pool_size=20M join_buffer_size=128K max_allowed_packet=100M max_connections=256 wait_timeout=28800 interactive_timeout=3600 # modify isolation method for faster inserting. # Do not uncomment the line below unless you understand what this does. # transaction-isolation = READ-COMMITTED # do not reverse lookup clients skip-name-resolve #long_query_time=6 #log_slow_queries=/var/log/mysqld-slow.log #log_queries_not_using_indexes=On #log_slow_admin_statements=On datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock user=mysql # Disabling symbolic-links is recommended to prevent assorted security risks symbolic-links=0 #Added by Magento ECG long_query_time=1 slow_query_log [mysqld_safe] log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid iptables: :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 3306 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 225 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT -A INPUT -m state --state NEW -m tcp -p tcp -i eth1 --dport 11211 -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A FORWARD -j REJECT --reject-with icmp-host-prohibited COMMIT sudo netstat -ntpl Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN - tcp 0 0 0.0.0.0:11211 0.0.0.0:* LISTEN - tcp 0 0 0.0.0.0:2123 0.0.0.0:* LISTEN - tcp 0 0 0.0.0.0:1581 0.0.0.0:* LISTEN - tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN - tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN - tcp 0 0 :::11211 :::* LISTEN - tcp 0 0 :::22 :::* LISTEN - tcp 0 0 :::225 :::* LISTEN -

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  • Postfix server to receive emails for anyonymous user

    - by sachitad
    I have a postfix server configured with imap. Only the recipient with the user account in the system is accepted. For example: rcpt to: test@localhost will yield the following error: 550 5.1.1 <test@localhost>: Recipient address rejected: User unknown in local recipient table What I want to achieve is setup virtual maps which accepts email to all the users (even if the user doesn't accept in the system) then forward all those emails to a specific user mailbox. Is something like this, possible?

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  • shortcuts not working in Konsole

    - by ukendt
    In Konsole (KDE on Debian), when I try control arrow key to move to next or previous word in a line, it prints 5d or 5c instead of moving forward/back one word. How do I activate these shortcuts? Also, the shortcuts work fine in other applications.

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  • nginx location rewrite but proxy_rewrite off

    - by Jan
    I'm trying to use nginx for proxying requests to my internal backend. My configuration reads as follows: location /Shibboleth.sso { proxy_pass internal-backend; # ip proxy_redirect off; } But, my redirects are always rewritten.. My backend returns a response like https://www.google.de/test and my browser receives https://www.mydomain.de/test How do I get nginx to just forward the response?

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  • How to associate localhost in Snow Leopard to a specific ip ?

    - by Patrick
    I've disabled the web server on Snow Leopard, and I'm using an emulated Ubuntu with Lighttpd web server. In order to access to the web pages I need to specify the ip of the emulated machine. However I now need to associated such ip with "localhost" in Leopard environment. When I type localhost in Leopard I actually want to visit the localhost on the Ubuntu machine. Do I need apache on leopard to make the forward or can I change network settings in Leopard or what ? thanks

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  • Linux service --status-all shows "Firewall is stopped." what service does firewall refer to?

    - by codewaggle
    I have a development server with the lamp stack running CentOS: [Prompt]# cat /etc/redhat-release CentOS release 5.8 (Final) [Prompt]# cat /proc/version Linux version 2.6.18-308.16.1.el5xen ([email protected]) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-52)) #1 SMP Tue Oct 2 22:50:05 EDT 2012 [Prompt]# yum info iptables Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirror.anl.gov * extras: centos.mirrors.tds.net * rpmfusion-free-updates: mirror.us.leaseweb.net * rpmfusion-nonfree-updates: mirror.us.leaseweb.net * updates: mirror.steadfast.net Installed Packages Name : iptables Arch : x86_64 Version : 1.3.5 Release : 9.1.el5 Size : 661 k Repo : installed .... Snip.... When I run: service --status-all Part of the output looks like this: .... Snip.... httpd (pid xxxxx) is running... Firewall is stopped. Table: filter Chain INPUT (policy DROP) num target prot opt source destination 1 RH-Firewall-1-INPUT all -- 0.0.0.0/0 0.0.0.0/0 Chain FORWARD (policy DROP) num target prot opt source destination 1 RH-Firewall-1-INPUT all -- 0.0.0.0/0 0.0.0.0/0 Chain OUTPUT (policy ACCEPT) num target prot opt source destination Chain RH-Firewall-1-INPUT (2 references) ....Snip.... iptables has been loaded to the kernel and is active as represented by the rules being displayed. Checking just the iptables returns the rules just like status all does: [Prompt]# service iptables status Table: filter Chain INPUT (policy DROP) num target prot opt source destination 1 RH-Firewall-1-INPUT all -- 0.0.0.0/0 0.0.0.0/0 Chain FORWARD (policy DROP) num target prot opt source destination 1 RH-Firewall-1-INPUT all -- 0.0.0.0/0 0.0.0.0/0 Chain OUTPUT (policy ACCEPT) num target prot opt source destination Chain RH-Firewall-1-INPUT (2 references) .... Snip.... Starting or restarting iptables indicates that the iptables have been loaded to the kernel successfully: [Prompt]# service iptables restart Flushing firewall rules: [ OK ] Setting chains to policy ACCEPT: filter [ OK ] Unloading iptables modules: [ OK ] Applying iptables firewall rules: [ OK ] Loading additional iptables modules: ip_conntrack_netbios_n[ OK ] [Prompt]# service iptables start Flushing firewall rules: [ OK ] Setting chains to policy ACCEPT: filter [ OK ] Unloading iptables modules: [ OK ] Applying iptables firewall rules: [ OK ] Loading additional iptables modules: ip_conntrack_netbios_n[ OK ] I've googled "Firewall is stopped." and read a number of iptables guides as well as the RHEL documentation, but no luck. As far as I can tell, there isn't a "Firewall" service, so what is the line "Firewall is stopped." referring to?

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  • Can't login to Debian (OpenVZ guest) server after setting up IPTables. How to Fix it?

    - by EApubs
    I have an OpenVZ VPS server with Debian. I just setup IPTables to allow the SSH port rebooted it. (Also set the rules to auto load on startup). Now I can't login to the server! How to fix this? Here are the rules : Chain INPUT (policy ACCEPT) target prot opt source destination ACCEPT tcp -- anywhere anywhere tcp dpt:325 DROP all -- anywhere anywhere Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination

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  • SSH port forwarding. Connection refused [closed]

    - by Kein
    I want to make a port forward from my public server to my home pc, to connect through ssh. What have I done wrong? From home pc I run command: ssh -R 8022:127.0.0.1:22 remote.host Now when I try to connect with: ssh remote.host -p 8022 I get error "Connection refused" But when I connect to remote.host through ssh, and try to run: ssh localhost -p 8022 It connects to my home PC. How I can connect to home with one simple command? ssh remote.host -p 8022

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  • How to deliver mail locally and to remote mta?

    - by Silvia
    I am running a postfix server and now I would like to know if I can configure postfix to deliver mail to a virtual domain locally and also forward it to a second remote mta. The problem is that both mta handle the same virtual domains so virtual_alias_maps, bcc or anything other address/domain related will not work. If this setup is not possible with postfix, is there another mta (maybe exim?) that is capable of doing this?

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  • Use /etc/aliases to send to a mailing-list using sendmail

    - by Pixoo
    I'm trying to configure my Debian (6.0) server to forward emails sent to root to a mailing-list. I set the ML address in /etc/aliases this way: root: [email protected] I then called newaliases. It doesn't work but when I call mail from the command line it works :/ echo "test" | mail -s"test message" [email protected] If I set my own email address in /etc/aliases it's working too. Any idea where it could come from ? Thanks

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