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Speedup FireFox

by on Oct.23, 2014, under Techie

WARNING! If you do anything else than listed before the browser may act worse or not work anymore.

  • Open FireFox and go to “about:config” in the Address Bar.
  • Search for “network.http.pipelining” and double-click on it to change it to TRUE
  • Then “network.http.proxy.pipelining” and change it to TRUE
  • Then set “network.http.pipelining.maxrequests” to 8 (higher the number pages may load slower)

Close all copies of FireFox and open it up again to enjoy quicker page loads.

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Netgear WNR1000v3 backdoor/bug

by on May.24, 2014, under News, Techie

Friendly IT post for my techie friends:
If you have a Netgear WNR1000v3 (Firmware 1.0.2.28_52.0.60NA confirmed, maybe others?), please make sure you have Remote Access locked down or turned off. While in your router checking this please see if you have had your WAN changed (will be changed to DHCP by the bot) or your DNS set to something you don’t recognize (66.118.165.22 and 69.65.41.30 confirmed). If so change everything back to what it should be and start changing your passwords online. Looks like there is some kind of bug or backdoor that a bot is using to hack these routers. Might affect other models too, but so far I can not find any online posts about this. I have worked with 2 people and can confirm this seems to have started making rounds on Friday May 23rd.
If your have the above router and your ISP installed it, I would hope and assume they locked down Remote Access (like Action Communications does to protect their customers from these kind of hacks).

Follow or reply to my posts on Facebook or Google+ about this.

-Facebook Post
-Google+ Post

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Mozilla Firefox version archives

by on Apr.26, 2014, under Techie

If you are ever looking for an old version of Firefox for testing or loading to an older OS here is the link to all versions (old and new!): ftp://ftp.mozilla.org/pub/firefox/releases/

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Windows 7 can’t Sleep

by on Apr.14, 2014, under Techie

Sleep not showing as an option in Windows 7?

Right-click ‘Comment Prompt’ and select ‘Run as administrator’

Use the command:

powercfg -energy

After which you can see the report by Opening “c:\windows\system32\energy-report.html” in a browser to see the results.

In my case it was a Device Driver called VgaSave, so if that is what is causing your issue see below:

First update the video driver

Next go into Device Manager and View -> show hidden devices
Scroll down and expand ‘Non-Plug And Play Drivers’ -> Uninstall VgaSave
Reboot

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How to regenerate TLS/SSL keys after Heartbleed with CentOS

by on Apr.11, 2014, under Techie

Below are some How-To’s on regenerating TLS/SSL keys after patching your CentOS server to fix the Heartbleed OpenSSL issue.

Regenerate new SSH Server Keys:
SSH1 protocol:
ssh-keygen -q -f /etc/ssh/ssh_host_key -N '' -t rsa1
SSH2 protocol:
ssh-keygen -f /etc/ssh/ssh_host_rsa_key -N '' -t rsa
ssh-keygen -f /etc/ssh/ssh_host_dsa_key -N '' -t dsa

Generate/Regenerate new Exim SSL/TLS key:

  • First make sure your Exim is compiles with SSL/TLS support
  • Generate Keys (D-H key is optional; adjust .key and .cert names to match server config):
  • cd /etc
    openssl req -x509 -newkey rsa:2048 -keyout eximrsa.key -out eximrsa.cert -days 9999 -nodes
    openssl dhparam -out eximdeffie.key 1024

  • Edit the Exim config file and add the following lines (as needed):
  • tls_dhparam = /etc/eximdeffie.key
    tls_certificate = /etc/eximrsa.cert
    tls_privatekey = /etc/eximrsa.key
    tls_advertise_hosts = *

  • Restart Exim

Generate/Regenerate new PureFTP TLS key:
Figure out the current location of the PureFTP TLS keys and then run the following to generate new keys (adjust file names as needed):
openssl req -x509 -nodes -days 7300 -newkey rsa:2048 -keyout pure-ftpd.pem -out pure-ftpd.pem

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