Release 5.1 a UDP protokol
Rudolf Cejka
cejkar at fit.vutbr.cz
Tue Oct 14 11:19:36 CEST 2003
Vopěnka Radek wrote (2003/10/14):
> Hledal jsem to v archivu, FAQ atd ale bez uspechu, je mozne ze jsem se
> pehledl. Muzte mi nekdo poradit kde mam chybu? Cely system je postaven na
> i386. Firewally mam pridane jako option do jadra a je prekompilovane.
> Default je accept. Spojeni na jakykolv port 80, 22 atd funguje v pohode,
> ale na UDP ne.
Tim napr. myslite, ze v
# uname -a
FreeBSD ... 5.1-RELEASE FreeBSD 5.1-RELEASE #0: Tue Aug 5 16:41:12 CEST 2003
prikaz netstat nevypisuje zadny radek s udp4/dgram?
# netstat
Active Internet connections
Proto Recv-Q Send-Q Local Address Foreign Address (state)
...
tcp4 0 0 localhost.57885 ftp-master.freeb.5998 ESTABLISHED
tcp4 0 33304 localhost.57883 ftp-master.freeb.cvsup ESTABLISHED
...
udp4 0 0 localhost.ntp *.*
Active UNIX domain sockets
Address Type Recv-Q Send-Q Inode Conn Refs Nextref Addr
...
c8195460 stream 0 0 0 0 0 0
c8195c08 stream 0 0 0 c8195b7c 0 0
...
c81958c0 dgram 0 0 0 c8196000 0 c81952bc
c81952bc dgram 0 0 0 c8196000 0 c819508c
c819508c dgram 0 0 0 c8196000 0 c8195000
...
U tohoto stroje je rozdil, ze na nem neni zadny firewall, takze nejspis
musite zkouset timto smerem.
--
Rudolf Cejka <cejkar at fit.vutbr.cz> http://www.fit.vutbr.cz/~cejkar
Brno University of Technology, Faculty of Information Technology
Bozetechova 2, 612 66 Brno, Czech Republic
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