XDMCP connection failed, try again? [2]

XDMCP connection failed, try again?

2003-08-22 13:07 - Choong-Ki, Kim

์•ˆ๋…•ํ•˜์„ธ์š”. ํ•œ๊ตญ์—์„œ ์—‘์Šค๋ฉ”๋‹ˆ์ ธ ์‚ฌ์šฉํ•˜๋˜ ์œ ์ ธ์ธ๋ฐ..
์ง€๊ธˆ์€ ๋ฏธ๊ตญ AL์— ์žˆ๋‹ต๋‹ˆ๋‹ค. ์ด๊ณณ์—์„œ๋„ Xmanager๋ฅผ ์‚ฌ์šฉํ•ด๋ณด๋ ค ํ•˜๋Š”๋ฐ ์ž˜์•ˆ๋˜๋„ค์š”. (๋ฌผ๋ก  ํ—ˆ๋ฐ๋ฒ„๋“œ๋„ ํ…Œ์ŠคํŠธ ํ•ด๋ณผ ์ƒ๊ฐ์ž…๋‹ˆ๋‹ค.)


์˜๋ฌธ Xmanager์—ฐ๊ฒฐ์‹œ 'XDMCP connection failed, try again?' ๋ผ๋Š” ์—๋Ÿฌ๋ฅผ ๋งŒ๋‚˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.

์ด๋Ÿฐ ์—ฐ๊ฒฐ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๋ ค๋ฉด ์–ด๋–ป๊ฒŒ ํ•ด์•ผ ํ• ๊นŒ์š”? ๋‹ต๋ณ€ ๋ถ€ํƒ๋“œ๋ฆฌ๊ฒ ์Šต๋‹ˆ๋‹ค.


****** ์ฐธ๊ณ ์‚ฌํ•ญ ******
์„œ๋ฒ„๋Š” Linux, Gnome 2.0.1์„ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.
XDMCP ์ด์šฉ์„ ์œ„ํ•œ ๋ฆฌ๋ˆ…์Šค ์‹œ์Šคํ…œ ์„ค์ •(runlevel, gdm ํ™˜๊ฒฝ์„ค์ •)์„ ์ ์šฉํ•˜์˜€์Šต๋‹ˆ๋‹ค

๋ฆฌ๋ˆ…์Šค Network setting์€ 'Automatically obtained IP address settings with dhcp'๋ฅผ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.

IP๋ฅผ ์‚ฌ์šฉํ•˜๋Š” Xstart๋Š” ์—ฐ๊ฒฐ์ด ์ž˜๋˜๋Š”๊ตฐ์š”. ๋ฌผ๋ก  telnet์œผ๋กœ๋„ ์ž˜ ์—ฐ๊ฒฐ๋ฉ๋‹ˆ๋‹ค.


Security (Firewall) ๋ฌธ์ œ ์˜€์Šต๋‹ˆ๋‹ค..

2003-08-22 13:31 - Choong-Ki, Kim

์šฐ์—ฐํžˆ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐ ํ–ˆ์Šต๋‹ˆ๋‹ค.

System-settings/ security level configulation์—์„œ 'nofirewall'์„ ์„ค์ •ํ•˜์˜€๋”๋‹ˆ, ๋ชจ๋“  ๋ฌธ์ œ๊ฐ€ ํ•ด๊ฒฐ๋˜๋Š” ๊ตฐ์š”.

์ œ ์ƒ๊ฐ์œผ๋กœ๋Š” RedHat Linux 8.0์€ Firewall์ด ๊ธฐ๋ณธ์ ์œผ๋กœ ์„ค์ •๋˜๊ธฐ ๋•Œ๋ฌธ์— Security level์„ ๋ฐ”๊พธ์ง€ ์•Š์œผ๋ฉด, telnet, ssh, DHCP๋“ฑ ์„ ์‚ฌ์šฉํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.


๊ทธ๋Ÿฐ๋ฐ ์ด์ƒํ•œ์ ์€ Q12๋ฒˆ ๊ธ€์„ ๋ฐ”ํƒ•์œผ๋กœ Lokkit ๋ฐฉํ™”๋ฒฝ ์„ค์ •์„ ์ˆ˜์ •ํ•˜์˜€๋Š”๋ฐ๋„, ์—ฌ์ „ํžˆ ๋ฐฉํ™”๋ฒฝ ๋ฌธ์ œ๊ฐ€ ํ•ด๊ฒฐ๋˜์ง€ ์•Š์•˜๋˜ ์ด์œ ๋ฅผ ๋ชจ๋ฅด๊ฒ ๊ตฐ์š”.

์ œ๊ฐ€ ์ˆ˜์ •์„ ์ž˜๋ชปํ•œ ๊ฑด์ง€?, ์•„๋‹ˆ๋ฉด, Security level์„ ์ถ”๊ฐ€๋กœ ์ˆ˜์ •ํ•ด์•ผ ํ•˜๋Š”์ง€ ๋ชจ๋ฅด๊ฒ ๊ตฐ์š”?

ํ˜น์‹œ ์ถ”๊ฐ€ ์ •๋ณด๊ฐ€ ์žˆ์œผ๋ฉด ์˜ฌ๋ ค์ฃผ์„ธ์š”.

๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค.
์ฆ๊ฑฐ์šด ํ•˜๋ฃจ ๋ณด๋‚ด์„ธ์š”.


Re: Security (Firewall) ๋ฌธ์ œ ์˜€์Šต๋‹ˆ๋‹ค..

2003-08-22 14:09 - ๋„ท์‚ฌ๋ž‘

์•ˆ๋…•ํ•˜์„ธ์š”? (์ฃผ)๋„ท์‚ฌ๋ž‘์ปดํ“จํ„ฐ์ž…๋‹ˆ๋‹ค.

ํ”ผ๋“œ๋ฐฑ ๊ฐ์‚ฌ๋“œ๋ฆฝ๋‹ˆ๋‹ค. Xstart ์ ‘์†์€ ๋˜๋Š”๋ฐ XDMCP ์ ‘์†์ด ์•ˆ๋˜๋Š” ๋ฌธ์ œ๋Š” UDP 177๋ฒˆ์ด ์—ด๋ ค์žˆ์ง€ ์•Š์•„์„œ ๋ฐœ์ƒํ•œ ๋ฌธ์ œ๋กœ ์ƒ๊ฐ๋ฉ๋‹ˆ๋‹ค.

๋ฐฉํ™”๋ฒฝ ๊ตฌ๋™์‹œ /etc/sysconfig/iptables ๋ฅผ ์ฐธ๊ณ ํ•˜๋ฉฐ ์ด๋•Œ ๋งจ์œ—์ค„๋ถ€ํ„ฐ ์ฐจ๋ก€๋กœ ๊ทœ์น™์„ ์ ์šฉ์‹œํ‚ค๊ธฐ ๋•Œ๋ฌธ์— ์œ ์˜ํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค. FAQ์— ๋ช…ํ™•ํ•˜๊ฒŒ ์„ค๋ช…๋˜์ง€ ์•Š์•˜๋˜ ๋ถ€๋ถ„์„ ์กฐ๊ธˆ ์ˆ˜์ •ํ–ˆ์Šต๋‹ˆ๋‹ค.

๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค.

(์ฃผ)๋„ท์‚ฌ๋ž‘์ปดํ“จํ„ฐ


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