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  • Installing make with wget

    - by John
    How can I install make with wget on CentOS? I tried: cd /tmp wget ftp.gnu.org/pub/gnu/make/make-3.81.tar.gz tar xfz make-3.81.tar.gz cd make-3.81 PATH=/usr/local/bin:/usr/bin:/bin ./configure patch -p1<make-3.81-cygwin.patch patch -p0<make-3.81-cygwin_MAKE_expansion.patch PATH=/usr/local/bin:/usr/bin:/bin make PATH=/usr/local/bin:/usr/bin:/bin make install However, I got an error message stating I had no acceptable C compiler.

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  • Are whole VM images backed up on Amazon EC2/S3?

    - by John
    I've been trying to get my head around Amazon Web Services as a VPS provider. My understanding is a EC2 instance running Windows is basically a Windows VM, very similar to renting a VPS from a more traditional hosting provider. I don't want to have complex backups, either to administer or to restore - if my restore involves installing SVN, MySQL, Jira, etc on a new box before I can even try to restore the backup then it's not great to me. What I really want is a service which backs up my entire VM... if the PC running the VPS dies then the VM image is installed on a new PC and off we go again. With Amazon being all about flexibility and elasticity, I wondered if they have this service? I can't figure it out from reading their docs.

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  • Speeding up Outlook Express on Windows XP over satellite

    - by John
    My brother is in the field with Doctors Without Borders. I'm posting this question on his behalf. We use outlook express (on a pc running windows XP) and a 9600 baud dial up satellite phone modem to get our email direct from the server in Paris. As this is a very expensive way to communicate (our satellite bill is $50K a year, no joke), it seems like trying to streamline is a good idea. Here's the question- when we connect, the sequence goes: Send outbox mails. This goes pretty quickly, probably 10-15 seconds for each email, up to maybe a couple minutes for an email of 150k or so). The status bar moves pretty quickly, according to the emails sent. The system then says "Checking for new messages on (our account name), and "Receiving list of messages from server". This takes a long time. Like 10-15 minutes. The status bar crawls along. Then it receives the messages. "Receiving messages from server". Again, each message takes 10-15 seconds, and this part moves along reasonably fast. I'm curious as to what is going on in the second part. It takes forever, and doesn't seem to be part of the sending or receiving messages themselves. Is there a way to speed up the process by changing a preference with communicating with the server or something? Does anyone have any advice for him speeding up what Outlooks Express is doing? Obviously his software is ancient and adding more software is not realistic based on the connection speed. Thanks!

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  • eMail with Conflicting Headers not blocked in MS365

    - by John Meredith Langstaff
    On occasion, a company receives eMail with two header fields (“Received” and “From”) containing data that contradict each other drastically. Should they not expect their anti-spam system to flag or block items with contradictions in these fields? For example, they received an eMail which contained [almost exactly] these two headers: Received: from [107.52.51.26] by web315204.mail.ne1.yahoo.com via HTTP; Mon,28 Oct 2013 04:28:04 PDT From: Barry Smith [email protected] Obviously, eMail from an @att.net address isn’t coming from a server on the domain yahoo.com, and Yahoo isn’t forwarding AT&T’s eMail. There were no other headers indicating that the item was sent “OnBehalfOf”, or “Forwarded-by”, or “By_Proxy” or any other such. Should I write a utility to scan incoming eMail for such conflicts, or look more closely at their spam filtering to block this kind of eMail? Their eMail system is Hosted Exchange on MS-365. My central question is, where specifically do I look in MS-365 to get this type of conflicted eMail blocked?

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  • Symlink - Permission Denied

    - by John Smith
    I'm facing an interesting problem with plenty of Permission Denied outputs when using SymLinks Linux: Slackware 13.1 Directory with Symlink: root@Tower:/var/lib# ls -lah drwxr-xr-x 8 root root 0 2012-12-02 20:09 ./ drwxr-xr-x 15 root root 0 2012-12-01 21:06 ../ lrwxrwxrwx 1 ntop ntop 21 2012-12-02 20:09 ntop - /mnt/user/media/ntop6/ Symlinked Directory: root@Tower:/mnt/user/media# ls -lah drwxrwx--- 1 nobody users 1.4K 2012-12-02 19:28 ./ drwxrwx--- 1 nobody users 128 2012-11-18 16:06 ../ drwxrwxrwx 1 ntop ntop 320 2012-12-02 20:22 ntop6/ What I have done: I have used chown -h ntop:ntop on the ntop directory in /var/lib Just to be sure, I have chmod 777 to both directories Permission denied actions: root@Tower:/var/lib# sudo -u ntop mkdir /var/lib/ntop/test mkdir: cannot create directory `/var/lib/ntop/test': Permission denied Any ideas?

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  • Multiple CAS servers with Microsoft Exchange and selective authorization

    - by John Wilcox
    I have a Microsoft Exchange 2010 organization within one Microsoft Windows domain and I have users accessing it through OWA. For simplicity lets say I currently have one CAS server (CAS 1) which is accessible only through a VPN connection. Lets call the users connecting to the first CAS group a. For some users though, I need to install another CAS server (CAS 2) so that they can connect without using a VPN connection. Lets call those users group b. What I need to achieve is that group a can only log in to CAS 1 and group b can only log in to CAS 2. Now I know that one can disable/enable OWA per user but in my case that is not enough because OWA must be enabled for both groups.

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  • Slowdown after repeated hibernation in XP SP3

    - by John
    I have a Dell laptop w/dual core and 4 gigs of memory. Recently my machine has started to go off in never never land for 5 to 20 minutes at a time with a lot of hard drive churning. Eventually it comes back and everything operates properly. If I manage to have task manager up CPU usage shows no more then 3 to 5% during this process. I am on a corporate network and have very good virus protection in place. The problem seems to have increased in frequency since I let an update happen to IE8 and/or I started using hibernate more frequently. Any ideas or suggestions? TIA J

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  • which collaborative tools do you use to communicate between team members

    - by john
    I work for a small company and would like to set up some sort of a collaborative tool so that team members can share thoughts, upload documents...something like sharepoint maybe, but not that suffisticated. Only good option I've seen so far is joomla CMS. Just want to get an opinion of the community on which tools they have used for these purposes. I know this is not programming related but I thought stackoverflow community would be good to get an opinion on this.

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  • fail2ban custom action to permanent ban IPs from China

    - by John Magnolia
    When a IP address gets banned how can I check if the banned IP address is from China. If yes, then add it to the permanent ban list. I have found this nice guide which write the banned IP to file. Reason: I am getting a lot of brute force attacks from China daily, thankfully fail2ban is helping restrict this although they appear to be getting worse and they are just changing their IP Address. Or even better would be if there was a maintained database of known hacker IP addresses. Example 1 Hi, The IP 60.169.78.77 has just been banned by Fail2Ban after 4 attempts against vsftpd. Here are more information about 60.169.78.77: % [whois.apnic.net node-7] % Whois data copyright terms http://www.apnic.net/db/dbcopyright.html inetnum: 60.166.0.0 - 60.175.255.255 netname: CHINANET-AH descr: CHINANET anhui province network descr: China Telecom descr: A12,Xin-Jie-Kou-Wai Street descr: Beijing 100088 country: CN admin-c: CH93-AP tech-c: JW89-AP mnt-by: APNIC-HM mnt-routes: MAINT-CHINANET-AH mnt-lower: MAINT-CHINANET-AH status: ALLOCATED PORTABLE changed: [email protected] 20040721 source: APNIC person: Chinanet Hostmaster nic-hdl: CH93-AP e-mail: [email protected] address: No.31 ,jingrong street,beijing address: 100032 phone: +86-10-58501724 fax-no: +86-10-58501724 country: CN changed: [email protected] 20070416 mnt-by: MAINT-CHINANET source: APNIC person: Jinneng Wang address: 17/F, Postal Building No.120 Changjiang address: Middle Road, Hefei, Anhui, China country: CN phone: +86-551-2659073 fax-no: +86-551-2659287 e-mail: [email protected] nic-hdl: JW89-AP mnt-by: MAINT-NEW changed: [email protected] 19990818 source: APNIC Regards, Fail2Ban Example 2 Hi, The IP 60.169.78.81 has just been banned by Fail2Ban after 4 attempts against vsftpd. Here are more information about 60.169.78.81: % [whois.apnic.net node-6] % Whois data copyright terms http://www.apnic.net/db/dbcopyright.html inetnum: 60.166.0.0 - 60.175.255.255 netname: CHINANET-AH descr: CHINANET anhui province network descr: China Telecom descr: A12,Xin-Jie-Kou-Wai Street descr: Beijing 100088 country: CN admin-c: CH93-AP tech-c: JW89-AP mnt-by: APNIC-HM mnt-routes: MAINT-CHINANET-AH mnt-lower: MAINT-CHINANET-AH status: ALLOCATED PORTABLE changed: [email protected] 20040721 source: APNIC person: Chinanet Hostmaster nic-hdl: CH93-AP e-mail: [email protected] address: No.31 ,jingrong street,beijing address: 100032 phone: +86-10-58501724 fax-no: +86-10-58501724 country: CN changed: [email protected] 20070416 mnt-by: MAINT-CHINANET source: APNIC person: Jinneng Wang address: 17/F, Postal Building No.120 Changjiang address: Middle Road, Hefei, Anhui, China country: CN phone: +86-551-2659073 fax-no: +86-551-2659287 e-mail: [email protected] nic-hdl: JW89-AP mnt-by: MAINT-NEW changed: [email protected] 19990818 source: APNIC Regards, Fail2Ban Example 3 Hi, The IP 222.133.244.99 has just been banned by Fail2Ban after 4 attempts against vsftpd. Here are more information about 222.133.244.99: % [whois.apnic.net node-6] % Whois data copyright terms http://www.apnic.net/db/dbcopyright.html inetnum: 222.133.244.96 - 222.133.244.127 netname: LCZFFHQ country: CN descr: liaochenggovermentfanghuoqiang admin-c: DS95-AP tech-c: DS95-AP status: ASSIGNED NON-PORTABLE changed: [email protected] 20060122 mnt-by: MAINT-CNCGROUP-SD source: APNIC route: 222.132.0.0/14 descr: CNC Group CHINA169 Shandong Province Network country: CN origin: AS4837 mnt-by: MAINT-CNCGROUP-RR changed: [email protected] 20060118 source: APNIC person: Data Communication Bureau Shandong nic-hdl: DS95-AP e-mail: [email protected] address: No.77 Jingsan Road,Jinan,Shandong,P.R.China phone: +86-531-6052611 fax-no: +86-531-6052414 country: CN changed: [email protected] 20050330 mnt-by: MAINT-CNCGROUP-SD source: APNIC Regards, Fail2Ban

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  • apache2: ssl_error_rx_record_too_long when visiting port 80?

    - by John
    Hi, I have an Ubuntu 10 x64 server edition machine. I got a second IP and configured /etc/network/interfaces like so (actual IPs and gateways removed): auto lo iface lo inet loopback #iface eth0 inet dhcp auto eth0 auto eth0:0 iface eth0 inet static address [ my first IP ] netmask 255.255.255.0 gateway [ my first gateway ] iface eth0:0 inet static address [ my second IP ] netmask 255.255.255.0 gateway [ my second gateway ] /etc/apache2/ports.conf: Listen 80 NameVirtualHost [ my first IP ]:80 NameVirtualHost [ my second IP ]:80 <IfModule mod_ssl.c> # If you add NameVirtualHost *:443 here, you will also have to change # the VirtualHost statement in /etc/apache2/sites-available/default-ssl # to <VirtualHost *:443> # Server Name Indication for SSL named virtual hosts is currently not # supported by MSIE on Windows XP. Listen 443 NameVirtualHost [ my first IP - some site is running SSL successfully using it ]:443 </IfModule> <IfModule mod_gnutls.c> Listen 443 </IfModule> /etc/apache2/sites-enabled/mysite.conf: <VirtualHost [my second IP ]:80> ServerName mysite.com Include /var/www/mysite.com/djangoproject/apache/django.conf </VirtualHost> Then when visiting http[mysite].com:80 or http[mysite].com (:// removed because serverfault doesn't allow me to post hyperlinks), I get: An error occurred during a connection to [mysite].com. SSL received a record that exceeded the maximum permissible length. (Error code: ssl_error_rx_record_too_long) My guess is that the configuration file is not being picked up, and apache is therefore looking for the default-ssl file, which is not in conf-enabled. If I were to configure that file properly, it seems I would successfully connect to whatever default directory is specified in the default-ssl file. But I want to connect to my website. Any ideas? Thanks in advance!

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  • Slow wifi from Windows Server 2003 virtualized in XenServer

    - by John Clayton
    I'm a brand spanking new user of OS X, coming from a lifetime of Windows use. I've been setting up my new Macbook Pro and have run into a very unusual problem. Over wifi, I am unable to copy files to or from my Windows Home Server. The problem seems to exist only over wifi, and only to WHS. Here are the details of my setup: 2010 Macbook Pro (Core i7), OS X 10.6.3 Windows Home Server PP3 (virtualized in XenServer 5.5) Windows 7 Ultimate x64 desktop Windows 7 Ultimate x64 in Boot Camp D-Link DIR-655 wireless N router Here is what I've done to narrow down the problem: Files copy fine from WHS to OS X when using gigabit ethernet Files copy fine from desktop to OS X when using gigabit ethernet Files fail to copy from WHS to OS X when using wifi (error -51) Files copy fine from desktop to OS X when using wifi Files copy fine from WHS to Boot Camp when using wifi Files copy fine from desktop to Boot Camp when using wifi From what I can tell, it seems to be some sort of issue between OS X and WHS, but I can't for the life of me see what would be different between shares on WHS and my desktop. They are both connected using smb://ADDRESS (I've tried both by IP and name). I can browse the shares on the WHS, but copying to OS X fails. I originally found the issue while installing VS2010 off an ISO from WHS, mounted to a Windows 7 VM using VMware Fusion. During the installation the VM was unusable - even the clock got behind the host be about 8 minutes. Once I plugged in the ethernet and disabled the wifi things picked up and finished quickly. The Fusion 3.1 RC is the only I think of that I installed that may have messed with the wifi driver. I've also tried resetting the wifi router, and have changed it from being G & N to N-only. Under Boot Camp I get similar speeds as my wife's N laptop. Any ideas? Thanks! Update: The issue has been further narrowed down to Windows Server 2003, which Windows Home Server is based on, running in XenServer with the XenServer tools installed.

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  • Static noise in headphones

    - by John Murdoch
    I have a Asus P6T based system. I was using the on-board sound (plugging in Logitech X-230 2.1 analog speakers in the green "front speakers" 3.5mm analog output, then plugging in my headphones in that). I was quite happy with the sound quality (didn't hear any static noise if volume was turned down to my normal listening level). Then about a week ago I started having terrible static noise from the left channel, and no normal audio on that left channel. Right channel had more static noise than usual but did have a bit of sound. I tried using the AC'97 in front of my case but that seemed to have no signal. I decided my on-board sound card has gone bad and bought an internal sound card to replace it (Startech 7.1Ch PCI). This fixed the "no sound from left channel problem", but I had much more audible static noise. I decided the card was low quality and/or it had interference from all the other things happening inside the computer case, and bought a Sweex SC016 external USB sound card. But even with that I have static noise in headphones. Positioning the USB sound card differently doesn't seem to help. Trying the other analog outputs (e.g., surround) doesn't help. The static noise in all cases is proportional to the volume. I have tried different headphones, but the situation is situation though perhaps the flavour of the static noise changes slightly. So what are my options? a) Get another, more expensive, external USB sound card hoping the quality will improve? b) Get another, more expensive, internal sound card (PCIe 1x perhaps) hoping the quality will improve? c) Get a dedicated DAC box? d) Get some Hi-Fi earphones? Suggestions? tl;dr - Two different sound cards both still have static noise in headphones.

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  • How can I run Gnome or KDE locally in Cygwin?

    - by John Peter Thompson Garcés
    Apparently it is possible to do this using cygwin ports, as can be seen in screenshots. I followed this how-to to get apt-cygports set up, and I used it to install gnome-session. This how-to supposedly gives the commands needed to run Gnome or KDE, but whenever I try to run Gnome, a blank X-window pops up and then quickly disappears. Here is the terminal output: $ startx /usr/bin/dbus-launch gnome-session xauth: file /home/jpthomps/.serverauth.4168 does not exist Welcome to the XWin X Server Vendor: The Cygwin/X Project Release: 1.10.3.0 OS: Windows 7 Service Pack 1 [Windows NT 6.1 build 7601] (WoW64) Package: version 1.10.3-12 built 2011-08-22 XWin was started with the following command line: /usr/bin/X :0 -auth /home/jpthomps/.serverauth.4168 (II) xorg.conf is not supported (II) See http://x.cygwin.com/docs/faq/cygwin-x-faq.html for more information LoadPreferences: /home/jpthomps/.XWinrc not found LoadPreferences: Loading /etc/X11/system.XWinrc LoadPreferences: Done parsing the configuration file... winDetectSupportedEngines - DirectDraw installed, allowing ShadowDD winDetectSupportedEngines - Windows NT, allowing PrimaryDD winDetectSupportedEngines - DirectDraw4 installed, allowing ShadowDDNL winDetectSupportedEngines - Returning, supported engines 0000001f winSetEngine - Using Shadow DirectDraw NonLocking winScreenInit - Using Windows display depth of 32 bits per pixel winFinishScreenInitFB - Masks: 00ff0000 0000ff00 000000ff Screen 0 added at virtual desktop coordinate (0,0). MIT-SHM extension disabled due to lack of kernel support XFree86-Bigfont extension local-client optimization disabled due to lack of shared memory support in the kernel (II) AIGLX: Loaded and initialized /usr/lib/dri/swrast_dri.so (II) GLX: Initialized DRISWRAST GL provider for screen 0 winPointerWarpCursor - Discarding first warp: 637 478 (--) 5 mouse buttons found (--) Setting autorepeat to delay=500, rate=31 (--) Windows keyboard layout: "00000409" (00000409) "US", type 4 (--) Found matching XKB configuration "English (USA)" (--) Model = "pc105" Layout = "us" Variant = "none" Options = "none" Rules = "base" Model = "pc105" Layout = "us" Variant = "none" Options = "none" winBlockHandler - pthread_mutex_unlock() winProcEstablishConnection - winInitClipboard returned. winClipboardProc - DISPLAY=:0.0 winClipboardProc - XOpenDisplay () returned and successfully opened the display. xinit: XFree86_VT property unexpectedly has 0 items instead of 1 xinit: connection to X server lost waiting for X server to shut down winClipboardProc - winClipboardFlushWindowsMessageQueue trapped WM_QUIT message, exiting main loop. winClipboardProc - XDestroyWindow succeeded. winClipboardProc - Clipboard disabled - Exit from server winDeinitMultiWindowWM - Noting shutdown in progress

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  • Hard Drive benchmark values show write very very slow

    - by John
    I recently started to have issues with my laptop being very slow. I ran a hard drive benchmarking tool (by ATTO) that showed that the write speed was very very slow on my boot drive. I ran the same benchmark on my usb drive and it was 650 times faster than my boot drive when it came to writing. Reading is very fast/normal on both. I swapped out an identical drive and ran the same benchmark. This time the drive showed proper write speed. Thinking that I had a hard drive going bad I cloned the old one onto the new one. I managed to clone the problem too. Anyone have any ideas on what in WinXP SP3 might be causing the write issues? I am on a corporate network and we have commercial anti-virus software installed. (AVG I think) I regularly run defraggler and have about 40 gig free on a 100 gig drive. The machine has 4 gigs of memory. Any ideas? TIA J

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  • Had almost 300 GB worth of files with random names on my computer, and now they are gone. Any idea what they were and where they went?

    - by John
    A couple of days ago I noticed I had a folder on my computer with more than 15 files in it. All the files were the exact same size (215 MB). They all had different names (just a bunch of random characters like Abe327(/-38s etc. I wasn't sure what they were so I decided to try to delete them. But then I noticed they disappeared from the D drive. Then the next day I noticed a new folder, with similar names and file sizes showed up on my C drive. The timestamps on the first set of files was almost all from a few months ago. Like the timestamps were saying 3:52 AM, 403 AM, etc. all from the same date. Then the set of files on the C drive that just appeared had yesterday's date on them. But similarly, all the files had timestamps within a 24 hour period. Like they had all just been created. Now this morning, all of those files are gone, and I didn't delete them. There are now no files like this in either drive. Any idea what these files were? Why were they so large, and why are they switching drives? Why did they disappear completely now, after the initial files were there for a few months.

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  • How do I uninstall Adobe Air?

    - by John
    I stumbled upon Adobe Air in the Utilities folder of my Mac. I don't use Flash, and I am not aware of having installed any other programs which need Adobe Air. There were two files - An installer and uninstaller. Clicking on the uninstaller simply launched a window saying that Adobe Air is already installed on my system! It didn't give me any option to remove it. So I deleted both the files. A few minutes later, a window opened on its own, asking me if I wanted to update Adobe Air now, or later! How do I make sure this cheeky application has been removed completely?

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  • Migrating XenServer VMs from Intel to AMD servers

    - by John Smith
    I need to replace my XenServer 6.1 resource pool hardware. I currently run Intel hardware and I have to move to AMD hardware (corporate politics and budget stuff, blah blah blah). I have downtime available so I can use cold migration - live migration is not required. I will also have the new hardware (AMD) alongside the old hardware (Intel). The XenServer docs say there may be problems exporting from one arch and importing to another "may not work" - http://docs.vmd.citrix.com/XenServer/6.1.0/1.0/en_gb/guest.html#importing_vms - but mentions nothing about simply turning off the VM on one arch and then powering it back on new arch. VMs are a mix of OS - some Windows, some Linux, multiple versions. Is this something that can be done with no problems, or are there problems I need to be aware of?

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  • Linux and ClickPads

    - by John
    I just got my Arch / Windows 7 dual-boot setup running... except for one thing. I have an HP dv6-3127dx laptop, which is an issue when it comes to Linux because it does not have a traditional touchpad, but a "ClickPad." This means where the left and right buttons exist, it is also sensitive to moving the pointer. The issue comes in when I try to steady the mouse with one finger, while clicking the left click with another, because the mouse freaks out. It's also an issue because it's not recognizing the right click whatsoever. I am currently using the default Synaptics drivers downloaded from pacman on Arch Linux, running Linux v2.6.36. EDIT: The question of course is, how can I fix this?

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  • Install PHP on RedHat

    - by John R
    I just ran yum install php in the command prompt. Everything went fine ('complete!') as per the dialogue. I then uploaded a file that does not use short tags and is named with the proper extension (i.e., the name is test.php). <?php print "hello world"; ?> When I navigate my browser to test.php it just prints each of the characters shown above; i.e., PHP is not interpreting it. What might be the problem? Also, if there is a configuration file that needs to be updated, please tell me what directory path I am likely to find that file. Edit: Apache2 & Redhat

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  • HOWTO Catch/Redirect all outgoing e-mails on Win2K and Redhat Enterprise

    - by John
    Background: I am integrating two separate web application that are developed in ASP .NET and JSP/Struts. As such, they are hosted on two different server technologies, namely Win2K3 and Redhat Enterprise Server 5.5. Problem: There is a copy of production data in my test environment with real e-mail addresses. I need to test the e-mail functionality of these applications, but I do not want them to send out actual e-mails. Is there a way to catch and redirect all outgoing e-mails? Ideally, I would like to send all outgoing e-mails to another e-mail (i.e., [email protected]) so my testers can look at them. Thanks for the help in advance!

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  • Does ip blocking occur anywhere other than at the endpoints?

    - by John O
    My localhost's IP address/port is being blocked from accessing a certain site. The blocking is occurring, but I don't know where. The question is : does IP blocking possibly occur not only at the endpoint, but also at any intermediate server along the way? Take a tracert, for example. Could the IP blocking be possibly occuring at any server whatsoever along the tracert path, or can the blocking only be done at the endpoints?

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