Firewall

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Glossary

Firewall

A firewall prevents computers on a network from communicating directly with external computer systems. A firewall typically consists of a computer that acts as a barrier through which all information passing between the networks and the external systems must travel. The firewall software analyzes information passing between the two and rejects it if it does not conform to pre-configured rules.

 

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- ZIP File

- Worm

- Windows Scripting

- Warm Boot

- Virus Hoaxes

- Virus

- Variant

- Vaccination

- VBS

- Tunneling

- Trojan Horse Program

- Triggered Event

- Timestamp

- Time Bomb

- TSR

- System Boot Record

- Stealth Virus

- Sparse Infector

- Sniffer

- Slow Infector

- Signature

- Shareware

- Shared Drive

- Self-garbling Viruses

- Self-extracting Files

- Self-encrypting Virus

- Sector Viruses

- Scanner

- SMTP

- Resident Virus

- Replication

- Redirect

- Real-time Scanner

- RTF File

- Program Infector

- Polymorphic Virus

- Piggyback

- Payload

- Password Sniffing

- Password Attacks

- PGP

- Overwriting Virus

- Operating System

- On-demand Scanner

- On-access Scanner

- Not In The Wild

- NTFS

- Mutating Virus

- Mutant

- Multipartite Virus

- Memory-resident Virus

- Master Boot Sector Virus

- Master Boot Sector

- Master Boot Record

- Malware

- Malicious Code

- Macro Virus

- Macro

- MS-DOS

- MP3 File

- MBR

- Logic Bomb

- Library File

- Key

- Joke Programs

- JavaScript

- Infection

- Host

- Hole

- Hijacking

- Heuristic Analysis

- Firewall

- File Viruses

- FAT

- Encryption

- Encrypted Virus

- EXE file

- Dropper

- Disinfection

- Direct Action Virus

- Denial Of Service (DoS)

- DOS

- Cookie

- Companion Virus

- Cold Boot

- Cluster Virus

- Checksum

- Boot Sector Infector

- Boot Sector

- Boot Record

- Boot

- Batch files

- Backup

- Background Task

- Background Scanning

- Back Door

- BIOS

- Antivirus Virus

- Anti-virus Software

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