D-Link DSR-150 User Manual page 167
Unified services router v.1.05
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- User manual ,
- Reference manual (129 pages) ,
- Quick installation manual (57 pages)
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Unified Services Router
t ries t o make an SSH co n n ect io n , t h o s e p acket s will b e accep t ed an d a
mes s ag e will b e lo g g ed . (A s s u min g t h e lo g o p t io n is s et t o A llo w fo r t h e
SSH firewall ru le.)
Dro p p ed Packet s are p acket s t hat were in t en tio nally b lo cked fro m b ein g t ran s ferred
t h ro u g h t h e co rrespo ndin g n et work s eg men t. Th is o p tio n is u s efu l wh en t h e Defau lt
Ou t b o u n d Po licy is "A llo w A lway s ".
Examp le: If Dro p Packet s fro m LA N t o W A N is en ab led an d t h ere is a
firewall ru le t o b lo ck SSH t raffic fro m LA N, t h en wh en ev er a LA N mach in e
t ries t o make an SSH co n n ect io n , t h o s e p acket s will b e d ro p p ed an d a
mes s ag e will b e lo g g ed . (M ake s u re t h e lo g o p t io n is s et t o allo w fo r t h is
firewall ru le.)
En ab lin g accep t ed p acket lo g g in g t h ro u g h t h e firewall may g en erat e a s ig n ifican t
v o lu me o f lo g mes s ag es d ep en d in g o n t h e t y p ical n et wo rk t raffic. Th is is
reco mmen d ed fo r d eb u g g in g p u rp o s es o n ly .
In ad d it io n t o n et work s egmen t lo g gin g, u n icast an d mu lt icast t raffic can b e lo g g ed .
Un icas t p acket s h av e a s in g le d es t in at io n o n t h e n et wo rk, wh ereas b ro ad cas t (o r
mu lt icas t ) p acket s are s en t t o all p o s s ib le d es t in at io n s s imu lt an eo u s ly . On e o t h er
u s efu l lo g co n tro l is t o lo g p acket s t h at are d ro p p ed d u e t o co n fig u red b an d wid t h
p ro files o v er a p art icu lar in t erface. Th is d ata will in d icat e t o t h e ad min wh et h er t h e
b an d wid t h p ro file h as t o b e mo d ified t o acco u n t fo r t h e d es ired in t ern et t raffic o f
LA N u s ers .
165
User Manual
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