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USING THE FIRMWARE This can vary greatly depending on what firmware you're using. Because of this, this section will be a list of terminology and will be firmware independent. This way if you find an option in your firmware and you don't know what it is this section can help you regardless what setup you have. Connecting to your firmware: http://192.168.100.1 This is the default modem firmware. sb5100mod is http://192.168.100.1:666 Sigma based firmware and most everything else is http://192.168.100.1:1337 Downstream/Upstream Frequency - The areas in the coaxial cable used to connect to the ISP. Think of it like FM radio. The range for FM is 87.5 to 108.0. "What frequency is such-en-such radio station on?" Coaxial cables work the same way. Signal to Noise Ratio - Anything above 30dB is good. The lower the number the less signal and the more noise. Downstream Power Level - Anything from 10 to -10 is good but generally connection can be obtained from 15 to -15. If your connection level is lower than -10. Channel ID - Just like cable TV, cable internet has channels. If you're in a congested bandwidth area (during certain times of the day your internet slows down) then it might just be an over used channel. Switching to another channel can sometimes have surprising benefits. Upstream power level - Anything below 50dBmV is good. Most ISPs aim for low or mid 40s. This is how loud your cable modem shouts so your ISP can hear it. The max power level a modem is allowed to broadcast at is 58. If your power level is 58 this can be like a death sentence. -If any of your numbers are outside of the ordinary then check out this excellent guide here http://www.sbhacker....showtopic=10528 Serial Number - This is your modems serial number and can be used to trace you. However, it is relatively pointless. When changing your mac address make sure to change the serial number at the same time. HFC MAC Address - This is your modems mac address. It identifies your modem to your isp and ultimately who you are must like a mailing address. Remember to never hack a modem with a mac address tied to you! CPE USB MAC Address - Some cable modems get online via USB instead of ethernet. This can be thought of just like the FC MAC Address. Known CPE MAC Address - This obtains the mac address of o f the router or computer connected to your cable modem. Your ISP can see this! and therefor it is highly recommended you do not plug in any routers or computers associated with any legit internet into your hacked modem without changing their mac address first! Disable firmware updates - This should most likely be enabled. It restricts your ISP from automatically changing your modems firmware to something legit. Factory Mode - "Factory mode, when enabled, gives you access via snmp to the factory mib. the factory mib is a list of oid's, each oid having a uniq function. Here is a very small list of things you can do remote via snmp when in factory mode, *get/set the hfc, ethernet and usb mac addresses. *get/set the modem serial number. *get/set the modem certs (cm,vendor, and secure code). *ping ip addreses. *execute shell commands *execute injected code (see cmFactoryBCMGroup 'CommandType, AddressOrOpcode, ByteCount and Data')" http://www.sbhacker....hp?showtopic=17
Configuration Page Changeable - This allows you to alter some of the settings on http://192.168.100.1 Reboot Disabler - Some ISPs auto try to reboot modems. This disables that. Enabling this can be extremely helpful. Force Network Access - Gain network access without authorization. Some ISPs might need this. Embedded Telnet Server - When enabled you can log into the modems shell via telnet and type in different advanced commands. If you're on windows check out putty (using google) and try the telnet version of that app. SNMP Deamon - SNMP is a protocol that broadcasts information about your modem to your ISP and anyone who scans for it. Disabling this will remove your ISP from seeing you. I recommend disabling it. SNMP Port - Changing the SNMP broadcast port can generally have the same effect as disabling SNMP. I recommend changing the port. Default is 161. Community String Miner - This helps find the a community string for your ISP. Community strings are used for SNMP scanning. Full Flash Backup - I highly recommend you do this and save the file somewhere so that it will not be lost. If anything bad happens to your modem you can then use this. CM Certification - This allows you to backup your cert file. I highly recommend you do this and a place that you will not loose it. My hdd fried and I lost some data and my modem fried in the same week. I lost my cert for my modem. Don't let this happen to you! Config file - When your modem turns on it downloads a config file from either a default TFTP server or from one of your choosing. Some firmwares give options to save the config file onto your modem to skip this step. Also, some firmwares allow for downloading and config files. Hardware Changer MAC/Serial: This allows you to change your modems mac and serial. This is quite useful. Firmware / Config Down: This updates the firmware on your modem. Caution! Backup your 2MB flash and certification file before doing this! IP is the STATIC address of your computer you manually setup hosting a TFTP server. Filename is the name of the .bin file for the firmware you're updating. sysDescr - Information given to your ISP about your modem. docsDevSwCurrentVers - Current version of standard firmware (bios) your modem is running. NonVol Config - A file that contains all everything about your modem. This file contains certificates in your modem. Shell commands: This is a work in progress...
GETTING ONLINE This step varies drastically depending not only on what ISP you're trying to connect to but what area you live in as well. For example, in some areas comcast supports DOCSIS 1.0/1.1 only and in other areas comcast might support DOCSIS 1.1/2.0 only. Keep this in mind that everyone's situation is unique regardless what ISP you're on. Before getting online I have an important question to ask you, "Do you already have cable internet or/and cable TV?" If you do not then there might be a filter on your coaxial line running into your house, or the wires may not even be plugged in at all. A good page to checkout is
http://www.sbhacker....?showtopic=8143 and make sure nothing physically is obstructing the internets, or series of tubes, running to your house. IMHO you should sign up for legit internet if you haven't already for at least a couple of months if not permanently. Cable internet is a service. If you sign up for internet they will make sure not only that any modem in your house can get online, but your ISP will also make sure the signal is strong enough for the internet to work well. If you have signal problems (coming into your house) after you're online and you're not paying for the internet then you are screwed. There are so many reasons to pay for legit internet. It is your choice what you do but know that having legit internet helps your hacked internet get online and have a strong signal. What ISP do you have? Check out http://www.sbhacker....hp?showforum=49 if you haven't already and look up details for your ISP. Charter - http://www.sbhacker....?showtopic=9664 Comcast - Easy to get online. Default firmware settings tend to work. Plug your cable modem in. Wait for it to sync up to comcrap. Change your router or computers DNS settings to something like 4.2.2.4 and 4.2.2.6 then try google.com and it should work. http://www.sbhacker....?showtopic=3580 However, comcast can become a bit more complicated when no valid certificate is present aka you change your modems MAC address (if the node does not support DOCSIS1.0).