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• Which server software and configuration to retrieve from multiple POP servers, routing by address to correct user

  - by rolinger

  I am setting up a small email server on a Debian machine, which needs to pick up mail from a variety of POP servers and figure out who to send it to from the address, but I'm not clear what software will do what I need, although it seems like a very simple question! For example, I have 2 users, Alice and Bob. Any email to [email protected] ([email protected] etc) should go to Alice, all other mail to domain.example.com should go to Bob. Any email to [email protected] should go to Bob, and [email protected] should go to Alice Anything to *@bobs.place.com should go to Bob And so on... The idea is to pull together a load of mail addresses that have built up over the years and present them all as a single mailbox for Bob and another one for Alice. I'm expecting something like Postfix + Dovecot + Amavis + Spamassassin + Squirrelmail to fit the bill, but I'm not sure where the above comes in, can Postfix deal with it as a set of defined regular expressions, or is it a job for Amavis, or something else entirely? Do I need fetchmail in this mix, or is its role now included in one of the other components above. I think of it as content-filtering, but everything I read about content-filtering is focussed on detecting spam rather than routing email.

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• Cisco router not receiving OSPF updates

  - by WebDevHobo

  Or at least, that's what I think is happening. There doesn't appear to be a debug command for this, or to see if something is in the routing table. I'm testing out this setup in Packet Tracer. I have 3 routers and a webserver From left to right, you have: Webserver - Router1 - Router2 - Router3 Router1 and Router2 can succesfully ping WebServer. Router3 cannot. Router2 has a default gateway set, to send all not-recognized data through its serial interface to Router1. Like this: ip route 0.0.0.0 0.0.0.0 Serial 0/0/1 Serial 0/0/1 being the connection to Router1 Router2 and Router3 have OSPF configured. From their "show run": Router2: router ospf 1 log-adjacency-changes passive-interface Serial0/0/1 network 10.1.1.0 0.0.0.3 area 0 default-information originate ! Router3: router ospf 1 log-adjacency-changes network 10.1.1.0 0.0.0.3 area 0 passive-interface FastEthernet0/0 ! I was under the assumption that setting default-information originate on Router2 would give Router3 the needed information. What's going wrong here? The interfaces are up. Ip addresses are with mask-range, clock rate is set at correct end. I don't know what else to check.

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• Outlook 2007 font sizes

  - by Flack

  Hello, Something really strange seems to have happened to my Outlook 2007. Everything was working fine for a long time now but at the end of today, all of a sudden, all of the fonts in Outlook are messed up. The font size of mails I write is huge (I am not zoomed in) and the font sizes of the buttons are big too, specifically the "Send", "To", and "Cc" buttons. I tried changing the font sizes through Outlook, but some of the buttons on the "Mail Format" tab in Options are not working, mainly the "Stationary and Fonts" button. I hit it but no window opens. This is all happening on my x64 machine. I took a look at my x32 machine, which also has Outlook 2007 installed and everything is ok there. Below is a link to an image comparing the broken, large font Outlook (top of picture) and the normal, working outlook. The text in the mails I compose is also abnormally large in the broken Outlook. Big font Outlook buttons. Any ideas? This came out of no where after a few months of no problems. Thanks.

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• Firefox is very slow when establish SSL sessions

  - by yanglei

  Using wireshark, I discovered that Firefox v3.0 gets stuck every time before "client key exchange, change cipher spec" stage when establishing a SSL session. Specifically, it takes 0.8~1.8 second before Firefox send "Client Key Exchange" request. This is unacceptable since our application is HTTPS only. I tested this on IE6 and IE8, both works well. Any clues? [Update] Finally, I found the reason of 1 ~ 2 seconds stuck by displaying all captured packets in Wireshark. After the "server hello" stage, Firefox makes a request to ocsp.verisign.com combined with an additional DNS lookup for that domain. Firefox must wait the revocation status from OCSP before entering the next stage of SSL. Depends on whether DNS cache is in effect, this process takes 1 ~ 2 seconds. A interesting observation is that the IP packet contains "client key exchange" has a high possibility to get lost and thus a TCP retransmission is necessary. When this happens, the process can take 3 seconds at worst. I'm not sure if this is a coincidence or a bug. Anyway, here is the result from Wireshark: (delta-time) 0.369296 src-ip dst-ip TCP [ACK] Seq=161 Ack=2741 Win=65340 Len=0 2.538835 src-ip dst-ip TLSv1 Client Key Exchange, Change Cipher Spec, Finished 2.987034 src-ip dst-ip TLSv1 [TCP Retransmission] Client Key Exchange, Change Cipher Spec, Finished The difference between Firefox and IE is this: Firefox 3 enables OCSP checking by default where as IE only supports it. So, there is no problem with both IE6 and IE8. This is indeed a "certificate revoke" problem. Thanks

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• Convert Mac font to Windows format?

  - by Moshe

  I have a font that was used on Mac OS X 10.5. Mac recognizes it as a font file. Windows Vista shows it as a "File". Changing the file extension doesn't work. I tried both .otf and .ttf and neither worked. (Surprise! I didn't thinks so, but I'd be a fool for asking if that was the answer, so I tried...) Perhaps I need to try a different extension? Are there any utilities to convert the font? A Windows equivalent? It's called Franco. (FrancoNormal, actually.) Thanks. EDIT: DFontSplitter didn't work. I saw something online about "data fork" and "resource fork" that has to match up. Can someone please explain that? Do I need both for a font conversion? What do I tell my graphic designer to send me? EDIT 2: The font doesn't work when downloaded to Mac OS X either. (A different machine from the original.) "Get Info" reveals that there is no file extension, leading me to believe that this is the newer font format. Where wold I find the the "data fork" and "resource fork" on the Mac? I want to be able to tell the designer exactly where to look. EDIT 3: DFontSplitter works on the original computer but not on my PC. I converted and emailed myself the fonts from the graphic designers laptop. I guess it has to do with the data being stored in a "fork" whatnot. Thanks, Matt for that article. Thank you again for your help!

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• APACHE - PHP - Bounce emails

  - by user1179459

  I want to improve our mail server lists by handling all the bounces we get in our websites. I have a website which has over 8000+ users and another website which as over 1500+ users, they are emailed various notifications every second, ie. job alerts, email alerts, I am using POP connections with EXIM on APACHE server, most scripts are based on PHP language generates email on the fly. Problems i have But some users has registered long time ago and now quite few has bounce email address Some users register with dummy emails like [email protected] which never existed but a valid email address, any chance of stopping this without asking them login to the email account and clicking links which dont work most times.. (too annoying to the end user) Server is sending unnecessary emails can be avoided if i know they dont exists ? Solutions i need to have Is there a way i can download the bounce email list somewhere (WHM/Cpanel), i know exim mail has it but its not readable (i need a file like CSV or something similar to scan them over and write a php script to delete the users from the database ?) I need to know if there is any function in the PHP that can check the existence of the email address on the fly ? so that i can set the email send function in the mailer class to check before it sends out. On the server will bouncing emails are going to eatup lots of server resources ? like memory/cpu on processing them ? or are they are minimal where we dont have to worry about this at all ? May be a opensoruce or linux software to capture them and view them in a report basis and cleaning them up ? I am not a linux expert or server admin but i do lot of PHP coding, so please be descriptive of the solutions specially if they are linux commands Thank you!

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• Rsyslogd not listening on port

  - by amorfis

  I installed rsyslogd on ubuntu server, started it and everything looks fine, but the port the server should listen on is not opened. ubuntu@node7:~$ sudo service rsyslog restart rsyslog stop/waiting rsyslog start/running, process 14114 Netstat shows it is not listening: ubuntu@node7:~$ netstat -tlan Active Internet connections (servers and established) Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN tcp 0 320 172.22.0.17:22 10.8.8.38:61335 ESTABLISHED tcp6 0 0 :::22 :::* LISTEN tcp6 0 0 :::2776 :::* LISTEN tcp6 0 0 :::2777 :::* LISTEN tcp6 0 0 172.22.0.17:2777 172.22.0.11:56554 ESTABLISHED tcp6 0 0 172.22.0.17:2776 172.22.0.11:39780 ESTABLISHED This is how /etc/rsyslog.conf looks like (most comments omitted): ubuntu@node7:~$ cat /etc/rsyslog.conf ################# #### MODULES #### ################# $ModLoad imuxsock # provides support for local system logging $ModLoad imklog # provides kernel logging support (previously done by rklogd) $ModLoad imtcp $InputTCPServerRun 514 ########################### #### GLOBAL DIRECTIVES #### ########################### $ActionFileDefaultTemplate RSYSLOG_TraditionalFileFormat $RepeatedMsgReduction on $WorkDirectory /var/spool/rsyslog $FileOwner syslog $FileGroup adm $FileCreateMode 0640 $DirCreateMode 0755 $Umask 0022 $PrivDropToUser syslog $PrivDropToGroup adm $IncludeConfig /etc/rsyslog.d/*.conf In /etc/rsyslog.d/35-server-per-host.conf I have following lines, and I suspect this can be the cause. What does it mean? # Stop processing of all non-local messages. You can process remote messages # on levels less than 35. :fromhost-ip,!isequal,"127.0.0.1" ~ and if it is, how could I change it to have server listening and receiving and logging messages? UPDATE: I commented out suspected line, but still it's not listening on port 514

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• debian VM refusing all traffic apart from http

  - by james lewis

  I've got a VM with a fresh install of Debian (wheezy) and I've installed node and mongo on it. The VM is using a bridged network connection so I was expecting to be able to point my host machines browser at the ip address of the Debian VM (port 1337 for my node example or port 28017 for my mongo status page) and see one of the two services (node or mongo). My requests are refused though. As far as I can tell Debian allows all traffic by default and you have to manually configure iptables to drop traffic. I've checked iptables and it says it's setup to allow anything through. It looks like this: root@devbox:/home/jlewis# iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination As a test I setup nginx and I was able to get to the nginx landing page from my host no problems so obviously http traffic is allowed. I then set nginx up to forward all traffic upstream to mongo - no problems there, I was able to see the status page. I then did the same for my example node server and again, no problems. So http traffic is fine, but all other traffic is blocked. Anyone know why debian might be refusing all other traffic other than iptables being setup to drop it? EDIT - output from netstat -nltp: Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 127.0.0.1:28017 0.0.0.0:* LISTEN 1762/mongod tcp 0 0 0.0.0.0:51028 0.0.0.0:* LISTEN 1541/rpc.statd tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 2462/sshd tcp 0 0 127.0.0.1:1337 0.0.0.0:* LISTEN 2794/node tcp 0 0 127.0.0.1:25 0.0.0.0:* LISTEN 2274/exim4 tcp 0 0 127.0.0.1:27017 0.0.0.0:* LISTEN 1762/mongod tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN 1510/rpcbind tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 2189/nginx tcp6 0 0 :::22 :::* LISTEN 2462/sshd tcp6 0 0 :::45335 :::* LISTEN 1541/rpc.statd tcp6 0 0 ::1:25 :::* LISTEN 2274/exim4 tcp6 0 0 :::111 :::* LISTEN 1510/rpcbind

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• Tell postfix to merge three Authentication-Results:-Lines into one?

  - by Peter

  I am running a postfix mta with debian wheezy. I am using postfix-policyd-spf-python, openkdim and opendmarc. When receiving e-mails from google (google apps with own domain) for example, the header looks like this: [...] Authentication-Results: mail.xx.de; dkim=pass reason="1024-bit key; insecure key" header.d=yyy.com [email protected] header.b=OswLe0N+; dkim-adsp=pass; dkim-atps=neutral<br> [...] Authentication-Results: mail.xx.de; spf=pass (sender SPF authorized) smtp.mailfrom=yyy.com (client-ip=2a00:1450:400c:c00::242; helo=mail-wg0-x242.google.com; [email protected]; [email protected]) [...] Authentication-Results: mail.xx.de; dmarc=pass header.from=yyy.com<br> [...] This means any of these programs creates it's own Authentication-Results:-Line. Is it possible to tell postfix to merge this into one single Authentication-Results:-Line? When I send an e-mail to google, it says: [...] Authentication-Results: mx.google.com; spf=pass (google.com: domain of [email protected] designates xxx.xxx.xxx.xxx as permitted sender) [email protected]; dkim=pass [email protected]; dmarc=pass (p=NONE dis=NONE) header.from=xxx.com [...] And this is exactly what I want. Just one Authentication-Results-Header. How can I do this? Thanks. Regards, Peter

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• Error 550 Mail Relay Message Could Not Be Sent

  - by mraliks

  I'm not sure if this is the right area to ask, but here we go. I have a client who has a couple websites on a Windows server with MailEnable as the mail manager. Any emails being sent from the server work great, except when sending to some domains, the message does not go through due to the following error: 12/13/11 01:15:56 ME-I0026: [86476200E5834227A819E6E63E0EFDA2.MAI] Sending message 12/13/11 01:15:57 ME-IXXXX: [86476200E5834227A819E6E63E0EFDA2.MAI] Remote server returned a response indicating a permanent error. Server Response: (550 Relaying not allowed**) 12/13/11 01:15:57 ME-E0036: [86476200E5834227A819E6E63E0EFDA2.MAI] MAIL FROM command Failed. Can anyone give me some leads on how to correct the settings to allow emails to go through properly? In particular, the emails are not going through to a Network Solutions email account and Network Solutions has not been very helpful thus far. In addition, can a domain's DNS settings affect this error? Currently, the domains are hosted by Network Solutions and use the Network Solutions email service to send/receive email. The server is located with a different company and the Domains' DNS points to it. Which mail related DNS entries are allowed or not allowed in this scenario? Thanks

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• OpenSwan (IPSEC) on Fedora 13 with Snow Leopard as a client

  - by sicn

  I recently installed OpenSwan on my Fedora 13 machine. I want to use it to connect with Mac OS X with L2TP over IPSEC, unfortunately I am already stuck on the IPSEC-negotation part. My server is running behind a NATted firewall so my external IP differs from the server's IP. The server has a fixed IP on the network and the same is almost always valid for the clients (they are usually behind a NATted firewall). I installed OpenSwan on Fedora 13 and have following configuration: config setup protostack=netkey nat_traversal=yes virtual_private=%v4:10.0.0.0/8,%v4:192.168.0.0/16,%v4:172.16.0.0/12 oe=off nhelpers=0 conn L2TP-PSK-NAT rightsubnet=vhost:%priv also=L2TP-PSK-noNAT conn L2TP-PSK-noNAT authby=secret pfs=no auto=add keyingtries=3 rekey=no ikelifetime=8h keylife=1h type=transport left=my.servers.external.ip leftprotoport=17/1701 right=%any rightprotoport=17/0 IPSEC starts fine and listens to UDP 500 and 4500. These two ports are opened in the firewall and are forwarded fine to the server. In my /etc/ipsec.secrets file I have my.servers.external.ip %any: "LongAndDifficultPassword" And finally in my sysctl.conf (the redirect-entries are there because OpenSwan was strongly protesting about send/accept_redirects being active) I have net.ipv4.ip_forward = 1 net.ipv4.conf.all.send_redirects = 0 net.ipv4.conf.all.accept_redirects = 0 Running "ipsec verify" gives me "all greens" (except Opportunistic Encryption Support, which is DISABLED), however, when trying to connect my Mac gives me following in the logs: Nov 1 19:30:28 macbook pppd[4904]: pppd 2.4.2 (Apple version 412.3) started by user, uid 1011 Nov 1 19:30:28 macbook pppd[4904]: L2TP connecting to server 'my.servers.ip.address' (my.servers.ip.address)... Nov 1 19:30:28 macbook pppd[4904]: IPSec connection started Nov 1 19:30:28 macbook racoon[4905]: Connecting. Nov 1 19:30:28 macbook racoon[4905]: IKE Packet: transmit success. (Initiator, Main-Mode message 1). Nov 1 19:30:31 macbook racoon[4905]: IKE Packet: transmit success. (Phase1 Retransmit). Nov 1 19:30:38: --- last message repeated 2 times --- Nov 1 19:30:38 macbook pppd[4904]: IPSec connection failed Any ideas at all?

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• Trying to setup catchall mail forwarding on my rackspace's cloudspace server

  - by bob_cobb

  I'm running Ubuntu 12 Precise Pangolin and am trying to configure my server to catchall mail sent to it and forward it to my gmail address. I've been trying lots of examples online like editing my main.cf file which looks like this: smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key smtpd_use_tls=yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client. myhostname = destiny alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = /etc/mailname mydestination = destiny, localhost.localdomain, localhost relayhost = smtp.sendgrid.net mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 mailbox_size_limit = 51200000 recipient_delimiter = + inet_interfaces = all inet_protocols = all In my /etc/postfix/virtual I have: @mydomain.com [email protected] @myotherdomain.com [email protected] Which isn't working when I email [email protected] or [email protected]. So I got the recommendation to add the following to my /etc/alias: postmaster:root root:[email protected] restarted postfix, and tried emailing [email protected] or [email protected] but it still won't send. Does anyone have any idea what I'm doing wrong here? I'd appreciate any help.

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• Perl wrapper to start daemon leaves zombie when run by cron

  - by leonstr

  I've got a Perl script to start a process as a daemon. But when I call it from cron I'm left with a defunct process. I've stripped this down to a minimal script, I'm starting 'tail' as a placeholder for the daemon: use POSIX "setsid"; $SIG{CHLD} = 'IGNORE'; my $pid = fork(); exit(0) if ($pid > 0); (setsid() != -1) || die "Can't start a new session: $!"; open (STDIN, '/dev/null') or die ("Cannot read /dev/null: $!\n"); my $logout = "logger -t test"; open (STDOUT, "|$logout") or die ("Cannot pipe stdout to $logout: $!\n"); open (STDERR, "|$logout") or die ("Cannot pipe stderr to $logout: $!\n"); my $cmd = "tail -f"; exec($cmd); exit(1); I run this with cron and end up with: root 18616 18615 0 11:40 ? 00:00:00 [test.pl] <defunct> root 18617 1 0 11:40 ? 00:00:00 tail -f root 18618 18617 0 11:40 ? 00:00:00 logger -t test root 18619 18617 0 11:40 ? 00:00:00 logger -t test As far as I can tell it's the piping to logger that it doesn't like, if I send STDOUT and STDERR to /dev/null the problem doesn't occur. Am I doing something wrong or is this just not possible? (CentOS 5.8) Thanks, leonstr

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• How to set up a VPN Incoming connection with Windows to tunnel Internet traffic?

  - by Mehrdad

  I want to set up a VPN on a remote server to route all my Internet traffic for privacy reasons. I can set up an incoming connection and connect to it successfully. The problem is, I can just see the remote computer and no other Web sites will open. I want the remote server to act like a NAT. How can I do that? Note that I don't want to split Internet traffic. I actually want to send all the traffic to the remote server but need to make it relay the traffic. For the record, my remote server is Windows Web Server 2008 which does not have routing and remote access service. Clarification I'm mostly interested in server configuration. I don't have any problems configuring the client. By the way, Windows Web Server 2008 seems to have the same VPN features built in client OSes (like Vista) and specifically, it doesn't include the RRAS console in MMC. I'm also open to suggestions regarding third party PPTP/L2TP daemons available, if they are free.

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• subdomain .htaccess redirection via ssh remote port forwarding

  - by Achim

  I ask you to help me URL redirecting a subdomain to a SSH remote forwarded port: The current setup is the following: The server A have a local webserver running on port 80. This server is connected to a DSL line or a GPRS connection where the IP address changes often. To prevent a DynDNS setup we established a SSH remote port forwarding to a server B with a static IP adress. This is done on server A by the following statement: ssh -N -p 80 -g -R 10000:localhost:80 tunneling@<Server B IP> So by accessing the new port 10000 of the servers B IP-adress, all traffic is forwarded to the server A port 80 - this works fine! But to offer a more comfortable url to the user I want to hide the server B IP-adress and offer a subdomain. My domain provider allows to add subdomains and redirections to some other servers. In general, this works, I've tested this with different servers. But it don't work if the destination is the port forwarded port of server B. The initial redirection is done, the request is send to server A and the response are forwarded to server B and shown in the browser - fine. But then the URL within the browser is switched away from the subdomain to the IP:port of server B. So the user don't see the subdomain in the URL string of the browser anymore. I've tried this with my providers subdomain redirection, as well as .htaccess redirect, as well as META refresh, the problem always persist. Is there a parameter in the ssh reverse forwarding setup (I guess this is the place where the fix have to be) to keep the typed in subdomain URL and not show the IP. Thanks Achim

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• Gmail.com detect mail as spam, but the server is not on any BlackList

  - by Tomer W

  I have an issue with Google. (GMail to be exact) About 1 month ago, we had a security breach, and mail was relayed through our servers. we got listed in almost ALL Black-Lists :( we fixed the problem, and requested removal from Black-lists, which was granted easily. currently (over 3 weeks), we are not sending any spam anymore. furthermore, we got clear from all the Black-lists (MxToolBox Black-List Search Result) But, GMail still refuse to get Anything from the server, stating '550 Spam'. Following, Telnet attempt to send to gmail: 220 mx.google.com ESMTP g47si45436208eep.123 helo megatec.co.il 250 mx.google.com at your service mail from: <[email protected]> 250 2.1.0 OK g47si45436208eep.123 rcpt to: <[email protected]> 250 2.1.5 OK g47si45436208eep.123 Data 354 Go ahead g47si45436208eep.123 Test123 . 550-5.7.1 [62.219.123.33 11] Our system has detected that this message is 550-5.7.1 likely unsolicited mail. To reduce the amount of spam sent to Gmail, 550-5.7.1 this message has been blocked. Please visit 550-5.7.1 http://support.google.com/mail/bin/answer.py?hl=en&answer=188131 for 550 5.7.1 more information. g47si45436208eep.123 Connection to host lost. i tried filling the form @ Gmail - Report Delivery Problem i also tried reaching Google by phone, but the message was to go to the Link mentioned above. I Checked ReverseDNS and is ok... We dont have TLS, but that shouldn't be a problem, shouldn't it? Note: we are not a Bulk sender. Anyone has an idea? what can be blocking our IP? Anyone know whom can be contacted in order to resolve this BL listing?

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• Is it possible to stop the "Beep" device on all computers in a Windows network?

  - by sharptooth

  On Windows the default behavior it to make an annoying "beep" sound every time Windows things something notable happened. The result is that when someone send a company-wide email via the MS Exchange all computers around my cubicle beep one by one. This is annoying and makes no sense. Luckily beeping can be shut off. Someone has to: open the "Device Manager", select "View - Show hidden devices", find the "Beep" device in "Non-Pug and Play Devices" node, open its properties, go to the "Driver" tab, set "startup type" to "Disabled" and click "Stop". The "Beep" device will stop and no longer produce the useless sound. This solution however requires tracking every computer and then talking to its user which is not very convenient. Device Manager doesn't allow stopping a device on another computer. I'm looking for a solution that can be deployed by the administrators team. We have a domain and the administrators even install the programs company-wide automatically. Are there any means to stop the "Beep" device an all computers in the Windows network with some remote-administration features automatically?

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• arp requests are sent continuously and my linux machine disconnected to the world

  - by sees

  I have the following problem and really need your help I'm implementing a small server to receive request from client on port 18999(just sample) using TCP socket. When I tested my server by using a lot of requests from a tablet through a router, I got the ARP problem(?) My net work just like: TABLET <------- WIRELESS ROUTER <------- MY SERVER (LINUX) Problems: 1. Can not connect to my Linux any more ( telnet, ping v.v...unreachable) 2. I use serial cable to connect to my Linux machine and use Wiresharp (from Windows) to catch the send message from Linux. It says that Linux keeps sending out continuously every 3 seconds ARP messages like the following: xx:xx:99:77:ff:69 ff:ff:ff:ff:ff:ff ARP 60 Who has 192.168.10.2? Tell 192.168.10.3 In the above message: xx:xx:99:77:ff:69 my Linux MAC address 192.168.10.2 my Tablet address 192.168.10.3 my Linux IP address Can you help me figure out the problem? Or tell me the way to detect the problem and reset the network back to normal (maybe restart Linux but I want to detect problem and restart automatically) UPDATE: 1. The above network works normally if tablet sends messages to my LINUX in normal speed (but also down after 48 hours) 2. The router works again after I unplugged my Linux ethernet cable (RJ45) from router. 3. The wireless network still works ( I can browser the router page from tablet) 4. When I use: ifconfig down then ifconfig up , the Linux restarts (?????????)

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• SharePoint Records Center Submitted E-mail Records not picked up

  - by Kenneth Verburg

  We have set up a new SharePoint 2007 site with a Records Repository. We're using Exchange 2007 Managed Folders to route e-mails to this repository based on the 'label' attached to the e-mail as set in the Exchange 2007 journaling options. E-mails added to a Managed Folder get sent to SharePoint, they end up in the "Submitted E-mail Records" list of the Records Repository. That's according to plan, but the e-mails are not routed to the respective document library as defined by the label. Instead an error appears in the event viewer for every e-mail listed in the Submitted E-mail Records list, on every interval of the records repository schedule (set to every two minutes for testing purposes): Value cannot be null, parameter name: g. Sending a document from the SharePoint site iself to the Records Repository via the Send To... link works fine, but e-mails get stuck in the list... We have set Document Libraries in the Respository with and without content types (with matching names with the Label and the Record Routing rule set). Any ideas what could be wrong? This is in the event log: Every two minutes the following error appears in the Application Log: Source: Office SharePoint Server Category: Records Center Type: Error Event ID: 4975 User: N/A Computer: SPS2007 Description: Value cannot be null. Parameter name: g For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

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• SSL certificates work fine from command line but fail in script

  - by jrallison

  I'm trying to setup email notifications for my continuous integration server. I have a script which uses nail to send the email when the build works: #!/bin/bash echo "Build Worked!" | nail -A myisp -s 'Build Success' [email protected] When I run this from the command line with sh build-worked, it works and I receive the email. However, when I start the continuous integration server which executes the same script, I get the following error: nail: /opt/bitnami/common/lib/libssl.so.0.9.8: no version information available (required by nail) nail: /opt/bitnami/common/lib/libcrypto.so.0.9.8: no version information available (required by nail) Error with certificate at depth: 0 issuer = /C=ZA/ST=Western Cape/L=Cape Town/O=Thawte Consulting cc/OU=Certification Services Division/CN=Thawte Premium Server CA/[email protected] subject = /C=US/ST=California/L=Mountain View/O=Google Inc/CN=smtp.gmail.com err 20: unable to get local issuer certificate Continue (y/n)? could not initiate SSL/TLS connection: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed . . . message not sent. I must be messing some configuration, any ideas?

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• Google respond differently to two identical nginx setups and 200 codes; any ideas?

  - by Yuji Tomita

  I'm rather confused... I have a linode.com VPS which has been cloned recently, so the settings are the same between nginx servers. One lives on a dev subdomain, one on a www. I'm trying to run a google experiment on my live server, which claims: Web server rejects utm_expid. Your server doesn't support added query arguments in URLs. My logs show on the dev server where it works: 74.125.186.32 - - [13/Sep/2012:13:33:45 -0700] "GET /product/iphone-case/?utm_expid=25706866-0 HTTP/1.1" 200 12521 "-" "Google_Analytics_Content_Experiments 74.125.186.32 - - [13/Sep/2012:13:33:45 -0700] "GET /product/iphone-case/?ab_reviews=True&utm_expid=25706866-0 HTTP/1.1" 200 14679 "-" "Google_Analytics_Content_Experiments My production server shows google making a second request. 74.125.186.41 - - [13/Sep/2012:13:34:49 -0700] "GET /product/iphone-case/?ab_reviews=on&utm_expid=25706866-1 HTTP/1.1" 200 12104 "-" "Google_Analytics_Content_Experiments 74.125.186.41 - - [13/Sep/2012:13:34:49 -0700] "GET /product/iphone-case/?utm_expid=25706866-1 HTTP/1.1" 200 12122 "-" "Google_Analytics_Content_Experiments 74.125.186.41 - - [13/Sep/2012:13:34:49 -0700] "GET /product/iphone-case/ <--- A second request for some reason. HTTP/1.1" 200 12522 "-" "Google_Analytics_Content_Experiments I'm not sure how google determines why it needs to send a second request without the querystring. The original request has clearly sent a 200 OK status response. Does anybody have any suggestions where to look next? The HTML (compared by diff) on the two pages is exactly the same.

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• Redirect specific domains with DNS

  - by user66377

  Currently we filter internet content using OpenDNS, our internal Windows DC/DNS servers point to the router's DNS, which then points to the OpenDNS servers. This works well to block all computer's on the network equally. New issue. We now need to separate what computers can go to what sites. So facebook is blocked for everyone right now, but I need to open it up to the 3 community computers now. The 3 community computers will be on an untrusted network seperate from the company computers so they can have their own DNS server, from their own router. The issue is though they still must connect to the internet using the same IP address. So OpenDNS sees the same IP and blocks them the same way. We are looking into getting a second IP, but it's not likely an option without going up to the next major level with our ISP which we don't want to do. My thought is this. Can I setup a DNS server on the untrusted network, and then depending on the request that comes in, have it send it to either OpenDNS or our ISP's DNS? Example www.facebook.com and www.youtube.com are both on the OpenDNS blacklist. So if they go to www.youtube.com, the local DNS server goes to the ISP's DNS to get the IP and thus the client gets the right IP and can go to the site. This would be manually entered for each allowed site thus creating a white list. Then if they go to www.facebook.com, since the local DNS server does not find an entry, it sends the request to OpenDNS, which then sees the site is on the blacklist, and thus sends the it's blocked webpage. The local DNS server can be either Bind on Linux or MS DNS on Window 2008. If this can be done, can you give some direction as well as I've never setup a DNS such as this before. Thanks

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• legit emails in junkbox

  - by acidzombie24

  Hey this is actually a reverse question. My personal email ([email protected]) is winding up in many peoples junkbox and I have no idea why. What may the cause be? Is it because it has the word Entrepreneur (and programmer) in my sig? is it because my first name is unique(european like)? Its driving me crazy. I sent out dozens of business emails a month to people I just meet so its actually hurting me much more then others :( -edit- I also want to mention this is non spam. Typically I email people I meet and say hi or to follow up. I was requested by someone to send him an email so I can test something, so I did and he replied to me 10 days later telling me he found it in his junk, like many others have said to me. -edit- bortzmeyer suggested emailing [email protected] I did and here are the results SPF check: pass DomainKeys check: pass DKIM check: pass Sender-ID check: pass SpamAssassin check: ham ---------------------------------------------------------- SpamAssassin check details: ---------------------------------------------------------- SpamAssassin v3.2.5 (2008-06-10) Result: ham (-2.6 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record -2.6 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] 0.0 HTML_MESSAGE BODY: HTML included in message

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• Continuous outbound connection from QNAP NAS

  - by user192702

  I notice on my firewall that my QNAP NAS is continuously sending UDP sessions out to the Internet. Every second I have 5 - 7 connections out to addresses like the following: 2013-11-10 23:17:54 Deny 192.168.60.5 93.215.212.162 6881/udp 6881 6881 2013-11-10 23:18:05 Deny 192.168.60.5 87.76.0.83 29872/udp 6881 29872 2013-11-10 23:18:05 Deny 192.168.60.5 5.164.188.224 6881/udp 6881 6881 2013-11-10 23:18:05 Deny 192.168.60.5 80.61.45.206 6881/udp 6881 6881 2013-11-10 23:18:34 Deny 192.168.60.5 37.117.204.129 6881/udp 6881 6881 2013-11-10 23:18:34 Deny 192.168.60.5 71.67.101.30 51413/udp 6881 51413 2013-11-10 23:18:34 Deny 192.168.60.5 89.28.92.191 8621/udp 6881 8621 2013-11-10 23:18:34 Deny 192.168.60.5 94.244.157.85 28221/udp 6881 28221 2013-11-10 23:18:34 Deny 192.168.60.5 213.241.61.240 9089/udp 6881 9089 2013-11-10 23:18:45 Deny 192.168.60.5 88.163.28.100 52721/udp 6881 52721 2013-11-10 23:18:45 Deny 192.168.60.5 37.55.190.20 10027/udp 6881 10027 2013-11-10 23:18:45 Deny 192.168.60.5 62.72.188.146 14306/udp 6881 14306 2013-11-10 23:19:14 Deny 192.168.60.5 85.53.244.205 51413/udp 6881 51413 2013-11-10 23:19:14 Deny 192.168.60.5 67.163.18.215 52130/udp 6881 52130 2013-11-10 23:19:14 Deny 192.168.60.5 86.172.105.140 9089/udp 6881 9089 2013-11-10 23:19:14 Deny 192.168.60.5 99.28.56.121 52383/udp 6881 52383 2013-11-10 23:19:14 Deny 192.168.60.5 109.60.184.249 46217/udp 6881 46217 2013-11-10 23:19:25 Deny 192.168.60.5 121.107.144.174 21135/udp 6881 21135 2013-11-10 23:19:25 Deny 192.168.60.5 84.39.116.180 48446/udp 6881 48446 2013-11-10 23:19:25 Deny 192.168.60.5 183.238.254.62 openvpn/udp 6881 1194 ......... This is frightening as it seems like it's been hacked to send information out. Has anyone observed this behaviour from their QNAP NAS?

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• Monitoring outgoing messages using EXIM

  - by dashmug

  I work as an IT guy in a law firm. I am recently asked to make a system wherein all the outgoing emails coming from our server to our clients will be put on hold first and wait for approval before it gets sent to the client. Our mail server uses Exim (that's what it says in cPanel). I am planning to create filters where the outgoing emails will be forwarded to an editor account. Then, the editor will review and edit the contents of the email. When the editor already approves the email, it will then get sent to the client by the editor but still using the original sender in the "From:" and "Reply-To:" field. I found some pointers from this site = http://www.devco.net/archives/2006/03/24/saving_copies_of_all_email_using_exim.php. Once the filters are in place, I want to make a simple PHP interface for the editor to check the forwarded emails and edit them if necessary. The editor can then click on an "Approve" button that will finally deliver the message using the original sender. I'm also thinking that maybe a PHP-less system will be enough. The editor can receive the emails from his own email client edit them and simply send the email as if he is the original sender. Is my plan feasible? Will there be issues that I have overlooked? Does it have the danger of being treated as spam by the other mailservers since I'll be messing up the headers?

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