User manual

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!CTIONTEC53"%THERNET$3,-ODEM5SER-ANUAL
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!PPENDIX&&IREWALL3ECURITY
"ASIC3ECURITY,EVEL
.!4.ETWORK!DDRESS4RANSLATIONONLY
3ERVICE!CRONYM$EFINITIONS
HTTP
(YPER4EXT4RANSFER0ROTOCOL4HISPROTOCOLDELIVERSINFORMATIONOVERTHE
)NTERNETANDISUSEDWHENACOMPUTERCONNECTSTOA7EBSITEVIAAN)NTERNET
BROWSER
DNS
$OMAIN.AME3YSTEM!DATAQUERYSYSTEMUSEDTOTRANSLATEHOSTNAMESINTO
)NTERNETADDRESSESIEWWWSOMEWEBSITECOMTRANSLATESTO
FTP
&ILE4RANSFER0ROTOCOL!PROTOCOLUSEDTOTRANSFERFILESOVERTHE)NTERNET
TELNET
!N)NTERNETCOMMUNICATIONSPROTOCOLENABLINGONECOMPUTERTOFUNCTIONASA
TERMINALWORKINGFROMANOTHERREMOTECOMPUTER
SMTP
3IMPLE-AIL4RANSFER0ROTOCOL!PROTOCOLUSEDTOTRANSFEREMAILBETWEEN
COMPUTERSOVERTHE)NTERNET#ANBEUSEDTOSENDANDRECEIVEEMAIL
POP
0OST/FFICE0ROTOCOL!NOTHERPROTOCOLUSEDTOTRANSFEREMAILBETWEEN
COMPUTERS5SUALLYEMPLOYSAPOPSERVERANDISUSEDTORECEIVEEMAILONLY
NNTP
.ETWORK.EWS4RANSFER0ROTOCOL!PROTOCOLUSEDTODISTRIBUTEANDRETRIEVE
NEWSARTICLESOVERTHE)NTERNET