Port 123 UDP

[Scorp]

Prečo sa mi zakaždým po zapatí routeru na nejaký UDP port 3xxx pripojí niečo inteligentné z vždy inej IP, ale zakaždým portu 123... ?
Je možné, že nejakí inteligenti si checkujú rozsahy providerov a robia si dobre na nejakej diagnostike routerov?
Môžem ich nejak poslať dopi?

[SurrendeR]

imho v klude mozes...

btw: http://www.auditmypc.com/port/udp-port-123.asp

port: 123 UDP Network Time Protocol (NTP)—used for time synchronization

[Scorp]

imho v klude mozes...

btw: http://www.auditmypc.com/port/udp-port-123.asp

port: 123 UDP Network Time Protocol (NTP)—used for time synchronization

Security Concerns: It provides both info and an avenue of attack for intruders. Info gathered can include: system uptime, time since reset, time server pkt, I/O, & memory statistics, and ntp peer list. Further, if a host is susceptible to time altering via ntp, an attacker can: 1) Run replay attacks, using captured OTP and Kerberos tickets before they expire. 2) Stop security-related cron jobs from running or cause them to run at incorrect times. 3) Make system and audit logs unreliable, since time is alterable.

Hlavne sú cez ten router často pingy v sekundách, ja by som ten pruser videl v tom

[SurrendeR]

vravim, ze v klude mozes ten port zablokovat. nic sa take nestane, akurat sa ti ulavi na srdci