4 Cara Mengoptimalkan kerja Mozilla Firefox

Kali ini saya akan share artikel tentang 4 Cara Mengoptimalkan Mozilla Firefox, mungkin posting kali ini akan sedikit membantu teman-teman yang mempunyai koneksi kurang maksimal saat menjelajahi internet. Saya sengaja menulis artikel tentang 4 cara mengoptimalkan mozilla firefox karena saya sendiri juga mempunyai koneksi internet yang lambat heee...
Setelah browsing sana-sini akhirnya saya menemukan beberapa cara untuk memaksimalkan mozilla firefox dan saya rangkum menjadi satu. Langsung saja kita menuju ke TKP dibawah dan ikuti langkah-langkahnya satu persatu (sama dengan satu).

Berikut adalah 4 Cara Mengoptimalkan Mozilla Firefox :

1. Langkah pertama dengan edit Tweak Firefox:Langkah-langkah:
- Jalankan Mozilla
- Pada Addres bar ketik “about:config” (tanpa tanda kutip)
- Ubahlah parameter berikut ini:

• network.http.pipelining ubah jadi true

• network.http.pipelining.maxrequest dari 30 jadi 8.

• network.http.max-connections dari 30 ubah jadi 96.

• network.http.max-connections-per-server dari 15 jadi 32.

• network.http.max-persistent-connections-per-server dari 6 ubah jadi 8.

• network.http.pipelining.ssl dari false ubah jadi true.

• network.http.proxy.pipelining dari false ubah jadi true.

• network.prefetch-next jadi false.

- Setelah itu tekan F5 untuk refresh Firefox Anda. Dan rertarlah Firefox Anda.

2. Mempercepat Akses Internet dengan Fasterfox
- Download Fasterfox.exe
- Proses Edit FasterFox adalah sebagai berikut;

- File yang kita download adalah berestensi xpi, seperti di samping = fasterfox-2.0.0-fx.xpi

- Nah file fasterfox-2.0.0-fx.xpi kita buka menggunakan program Winrar, jika belum punya silahkan install terlebih dahulu disini
- Open | pilih WInrar
- setelah terbuka ada banyak file yang ada di dalam fasterfox-2.0.0-fx.xpi tersebut dan cari file Install.rdf
- Install.rdf anda drag keluar dari winrar sehingga bisa diedit nantinya.
- Fokus kita selanjutnya adalah Install.rdf
- File Install.rdf kita bisa buka menggunakan NOTEPAD atau WOrdpad, terserah anda.
setelah install.rdf terbuka seperti di bawah ini :

{c36177c0-224a-11da-8cd6-0800200c9a91}
Fasterfox
3.6.10
Performance and network tweaks for Firefox.

Tony Gentilcore
Artwork – Nicholas Dower
Czech (cs-CZ) – funTomas
German (de-DE) – ReinekeFux, geframuc,Team erweiterungen.de
Finnish (fi-FI) – herrahuu
French (fr-FR) – Calimo
Frisian (fy-NL) – moZes
Hebrew (he-IL) – asfaltboy
Hungarian (hu-HU) – kami,LocaLiceR
Italian (it-IT) – eagleman
Japanese (ja-JP) – Norah
Korean (ko-KR) – heygom
Lithuanian (lt-LT) – garas
Dutch (nl-NL) – Fopper, Liesbeth
Polish (pl-PL) – teo
Portuguese (Brazilian) (pt-BR) – Ghelman
Portuguese (Portugal) (pt-PT) – zefranc
Russian (ru-RU) – Modex
Slovak (sk-SK) – Rony, SlovakSoft
Slovenian (sl-SI) – miles
Swedish (sv-SE) – lagerstedt, jameka, StiffeL
Turkish (tr-TR) – ErkanKaplan, batuhancetin, Fatih
Ukrainian (uk-UA) – Sergey Khoruzhin
Chinese (Simplified) (zh-CN) – Pudgy, rickcart
Chinese (Traditional) (zh-TW) – micwang

http://fasterfox.mozdev.org/
chrome://fasterfox/skin/icon.png
chrome://fasterfox/content/about.xul
chrome://fasterfox/content/pref-fasterfox.xul
{ec8030f7-c20a-464f-9b0e-13a3a9e97384}
1.5
3.6.10.*     

- Edit dan Cari Tulisan 2.0.0 dan ubah menjadi 3.6.10 

- Edit dan Cari Tulisan 3.6.0* dan ubah menjadi 3.6.10*(sesuaikan dengan mozila saat ini yang sedang anda pakai)
- Simpan file tersebut.
- Dalam Kondisi terbuka WINRAR yang membuka file fasterfox-2.0.0-fx.xpi
- Drag Install.rdf tadi ke dalam WInrar yang terbuka tersebut, | jika ada pertanyaan REPLACE jawab yes.
- Tutup WINRAR tersebut. dan semua programnya
- Buka Program Mozila Firefox anda
-buka tool, lalu klik add on..lanjut ke get add on dan...
- Drag file fasterfox-2.0.0-fx.xpi ke dalam get add on tadi..
- Install Add-on yang tersebut,setelah ada tulisan instal..
- Restart Mozila
-Dan pastikan icon fasterfox anda muncul di pojok kanan bawah mozilla firefox anda
- Rasakan bedanya.

3. Memblok Iklan dengan Add-ons Adblock Plus
- Masuk ke http://addons.mozilla.org/en-US/firfox/addon/1865
- Tekan enter.
- Akan tampil halaman Firefox Add-ons Addblock Plus 0.7.5.5. Setelah itu klik Add to Firefox untuk mendownloadnya.
- Klik install.
- Setelah proses instalasi selesai, klik tombol restart firefox.
- Setelah di restart, maka saat anda menjalankan browser Firefox akan tampil kotak dialog Welcome.
- Klik cancel saja pada tab tersebut.
- Pada browser, Anda akan mendapati toolbar ABP (AdBlock Plus).

4. Optimalisasi Koneksi dengan Firefox Ultimate Optimizer
- Untuk mendownload, klik link di bawah :
Firefox Ultimate Optimizer
Langkah-langkah penggunaannya :
- Ekstrak file Firefox Ultimate Optimizer yang masih dalam bentuk zip tersebut.
- Setelah di ekstrak, anda akan melihat beberapa file, klik dua kali pada file Firefox Ultimate Optimizer.exe
- Jika sudah, pada tray anda akan ditempatkan ikon Firefox Ultimate Optimizer.

Setelah anda selesai mengikuti 4 Cara Mengoptimalkan Mozilla Firefox di atas sekarang anda bisa mencoba browsing dan rasakan perbedaanya.

SELESAI....

Read more: http://amikomtips.blogspot.com/2011/10/4-cara-mengoptimalkan-mozilla-firefox.html#ixzz1kgDw3zyw


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Cara mengatasi nawala menggunakan DNS.

Configuring your network settings to use Google Public DNS

When you use Google Public DNS, you are changing your DNS "switchboard" operator from your ISP to Google Public DNS.
In most cases, the IP addresses used by your ISP's domain name servers are automatically set by your ISP via the Dynamic Host Configuration Protocol (DHCP). To use Google Public DNS, you need to explicitly change the DNS settings in your operating system or device to use the Google Public DNS IP addresses. The procedure for changing your DNS settings varies according to operating system and version (Windows, Mac or Linux) or the device (computer, phone, or router). We give general procedures here that might not apply for your OS or device; please consult your vendor documentation for authoritative information.

Note: We recommend that only users who are proficient with configuring operating system settings make these changes.

Important: Before you start

Before you change your DNS settings to use Google Public DNS, be sure to write down the current server addresses or settings on a piece of paper. It is very important that you keep these numbers for backup purposes, in case you need to revert to them at any time.
After changing your settings, if you encounter a problem and cannot connect to the Internet, please call our support numbers for troubleshooting instructions.
We also recommend that you download this page and print it, in the event that you encounter a problem and need to refer to these instructions.

Google Public DNS telephone support

• 877-590-4367 in the U.S.
• 770-200-1201 outside the U.S.

Google Public DNS IP addresses

The Google Public DNS IP addresses (IPv4) are as follows:

• 8.8.8.8
• 8.8.4.4

The Google Public DNS IPv6 addresses are as follows:

• 2001:4860:4860::8888
• 2001:4860:4860::8844

You can use either number as your primary or secondary DNS server. You can specify both numbers, but do not specify one number as both primary and secondary.
You can configure Google Public DNS addresses for either IPv4 or IPv6 connections, or both.

Changing your DNS servers settings

Because the instructions differ between different versions/releases of each operating system, we only give one version as an example. If you need specific instructions for your operating system/version, please consult your vendor's documentation. You may also find answers on our user group.
Many systems allow you to specify multiple DNS servers, to be contacted in a priority order. In the following instructions, we provide steps to specify only the Google Public DNS servers as the primary and secondary servers, to ensure that your setup will correctly use Google Public DNS in all cases.

Note: Depending on your network setup, you may need administrator/root privileges to change these settings.

Microsoft Windows

DNS settings are specified in the TCP/IP Properties window for the selected network connection.
Example: Changing DNS server settings on Microsoft Windows 7

1. Go the Control Panel.
2. Click Network and Internet, then Network and Sharing Center, and click Change adapter settings.
3. Select the connection for which you want to configure Google Public DNS. For example:
   • To change the settings for an Ethernet connection, right-click Local Area Connection, and click Properties.
   • To change the settings for a wireless connection, right-click Wireless Network Connection, and click Properties.
   If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
4. Select the Networking tab. Under This connection uses the following items, select Internet Protocol Version 4 (TCP/IPv4) or Internet Protocol Version 6 (TCP/IPv6) and then click Properties.
5. Click Advanced and select the DNS tab. If there are any DNS server IP addresses listed there, write them down for future reference, and remove them from this window.
6. Click OK.
7. Select Use the following DNS server addresses. If there are any IP addresses listed in the Preferred DNS server or Alternate DNS server, write them down for future reference.
8. Replace those addresses with the IP addresses of the Google DNS servers:
   • For IPv4: 8.8.8.8 and/or 8.8.4.4.
   • For IPv6: 2001:4860:4860::8888 and/or 2001:4860:4860::8844
9. Restart the connection you selected in step 3.
10. Test that your setup is working correctly; see Testing your new settings below.
11. Repeat the procedure for additional network connections you want to change.

Mac OS X

DNS settings are specified in the Network window.
Example: Changing DNS server settings on Mac OS 10.5

1. From the Apple menu, click System Preferences, then click Network. 
2. If the lock icon in the lower left-hand corner of the window is locked, click the icon to make changes, and when prompted to authenticate, enter your password.
3. Select the connection for which you want to configure Google Public DNS. For example:
   • To change the settings for an Ethernet connection, select Built-In Ethernet, and click Advanced.
   • To change the settings for a wireless connection, select Airport, and click Advanced.
4. Select the DNS tab.
5. Click + to replace any listed addresses with, or add, the Google IP addresses at the top of the list:
   • For IPv4: 8.8.8.8 and/or 8.8.4.4.
   • For IPv6: 2001:4860:4860::8888 and/or 2001:4860:4860::8844
6. Click Apply and OK.
7. Test that your setup is working correctly; see Testing your new settings below.
8. Repeat the procedure for additional network connections you want to change.

Linux

In most modern Linux distributions, DNS settings are configured through Network Manager.
Example: Changing DNS server settings on Ubuntu

1. In the System menu, click Preferences, then click Network Connections.
2. Select the connection for which you want to configure Google Public DNS. For example:
• To change the settings for an Ethernet connection, select the Wired tab, then select your network interface in the list. It is usually called eth0.
• To change the settings for a wireless connection, select the Wireless tab, then select the appropriate wireless network.
3. Click Edit, and in the window that appears, select the IPv4 Settings or IPv6 Settings tab.
4. If the selected method is Automatic (DHCP), open the dropdown and select Automatic (DHCP) addresses only instead. If the method is set to something else, do not change it.
5. In the DNS servers field, enter the Google Public DNS IP addresses, separated by a space:
   • For IPv4: 8.8.8.8 and/or 8.8.4.4.
   • For IPv6: 2001:4860:4860::8888 and/or 2001:4860:4860::8844
6. Click Apply to save the change. If you are prompted for a password or confirmation, type the password or provide confirmation.
7. Test that your setup is working correctly; see Testing your new settings below.
8. Repeat the procedure for additional network connections you want to change.

If your distribution doesn't use Network Manager, your DNS settings are specified in /etc/resolv.conf.
Example: Changing DNS server settings on a Debian server

1. Edit /etc/resolv.conf:

   sudo vi /etc/resolv.conf

2. If any nameserver lines appear, write down the IP addresses for future reference.
3. Replace the nameserver lines with, or add, the following lines:For IPv4:
   

   nameserver 8.8.8.8
   nameserver 8.8.4.4

   For IPv6:
   

   nameserver 2001:4860:4860::8888
   nameserver 2001:4860:4860::8844

4. Save and exit.
5. Restart any Internet clients you are using.
6. Test that your setup is working correctly; see Testing your new settings below.

Additionally, if you are using DHCP client software that overwrites the settings in /etc/resolv.conf, you will need to set up the client accordingly by editing the client's configuration file.
Example: Configuring DHCP client sofware on a Debian server

1. Back up /etc/resolv.conf:

   sudo cp /etc/resolv.conf /etc/resolv.conf.auto

2. Edit /etc/dhcp3/dhclient.conf:

   sudo vi /etc/dhcp3/dhclient.conf

3. If there is a line containing domain-name-servers, write down the IP addresses for future reference.
4. Replace that line with, or add, the following line:For IPv4:
   

   prepend domain-name-servers 8.8.8.8, 8.8.4.4;

   For IPv6:
   

   prepend domain-name-servers 2001:4860:4860::8888, 2001:4860:4860::8844;

5. Save and exit.
6. Restart any Internet clients you are using.
7. Test that your setup is working correctly; see Testing your new settings below.

Routers

Every router uses a different user interface for configuring DNS server settings; we provide only a generic procedure below. For more information, please consult your router documentation.

Note: Some ISPs hard-code their DNS servers into the equipment they provide; if you are using such a device, you will not be able to configure it to use Google Public DNS. Instead, you can configure each of the computers connected to the router, as described above.

To change your settings on a router:

1. In your browser, enter the IP address to access the router's administration console. 
2. When prompted, enter the password to access network settings.
3. Find the screen in which DNS server settings are specified. 
4. If there are IP addresses specified in the fields for the primary and seconday DNS servers, write them down for future reference.
5. Replace those addresses with the Google IP addresses:
   • For IPv4: 8.8.8.8 and/or 8.8.4.4.
   • For IPv6: 2001:4860:4860::8888 and/or 2001:4860:4860::8844
6. Save and exit.
7. Restart your browser.
8. Test that your setup is working correctly; see Testing your new settings below.

Mobile or other devices

DNS servers are typically specified under advanced wi-fi settings. However, as every mobile device uses a different user interface for configuring DNS server settings, we provide only a generic procedure below. For more information, please consult your mobile provider's documentation.
To change your settings on a mobile device:

1. Go to the screen in which wi-fi settings are specified.
2. Find the screen in which DNS server settings are specified.
3. If there are IP addresses specified in the fields for the primary and seconday DNS servers, write them down for future reference.
4. Replace those addresses with the Google IP addresses:
   • For IPv4: 8.8.8.8 and/or 8.8.4.4.
   • For IPv6: 2001:4860:4860::8888 and/or 2001:4860:4860::8844
5. Save and exit.
6. Test that your setup is working correctly; see Testing your new settings below.

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You might have noticed a tremendous increase number of hack attacks on wordpress, joomla blogs and other content managing systems. What the hackers are doing is that instead of targeting the CMS itself meaning wordpress or joomla. They are targeting a vulnerable website on a server, Once they gain access to a single vulnerable website on the server, They upload a shell and with a method called "Symlink Bypass". They manage to extract the configuration files of another website hosted on that same server and later on using a simple MySQL interface they connect to that website.


Avinash, a security student and researchers will explain step by step how hackers hack into websites on shared host with the method called Symlink bypassing.

What Is Symlink Bypass?

Well, I would not like to go into much detail. However for your understanding all you need to know is that symlink is a method to refrence other files and folders on linux. Just like a shortcut in windows. Symlink is necessary in order to make linux work faster. However symlink bypassing is a method which is used to access folders on a server which the user isn't permitted. For example the home directory can only be accessed by a root level user. However with symlink bypass you can touch files inside home directory.


Step 1 - The hackers searches for a vunerable website on a server. A hacker can get list of domains on a webserver by doing a reverse iP lookup.

Step 2 - Next the hacker hacks into any vulnerable website on the server and upload a PHP shell.

Step 3 - The above picture demonstrates two files one named .htacess and the second named jaugar.izri being uploaded to the server. Here is what Jaugar.izri looks like when it's made public by adding 0755 permissions.

Step 4 - The hacker connects to the izri script and then gives the following commands

mkdir 1111
cd 1111
ln -s / root
ls -la /etc/valiases/(site.com)


The first command creates a directory named 1111(Mkdir 1111). The next command navigates to the directory(cd 1111). The third command creates the symlink of the root. The fourth command will extract the user name of the website you put in place of site.com. 


The target website is entered in ls - la /etc/valiases/site.com.

The above screenshot explains the whole story. The hacker then navigates to the "1111" directory and the configuration file of the target website is created there. The hacker downloads the configuration files and uses the information to access the database and there he can make any changes. 


                                        




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