[Comm] Re: ÐÒÏÂÌÅÍÁ: DNS && pppoe
Denis Kirienko
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÷Ó äÅË 11 22:00:27 MSK 2005
Aleksandr Blokhin wrote:
>> ðÒÏÂÌÅÍÁ: ÐÒÉ ÐÏÄËÌÀÞÅÎÉÉ ÞÅÒÅÚ ppp ping ÎÅ ÕÍÅÅÔ ÒÅÓÏÌØ×ÉÔØ ÉÍÅÎÁ
>> ÈÏÓÔÏ×.
>> ðÒÏÂÌÅÍÁ ÎÅ × update_chrooted (ÏÎÏ ÓÒÁÂÁÔÙ×ÁÅÔ ÎÏÒÍÁÌØÎÏ, ËÏÍÁÎÄÁ
>> resolve ÒÁÂÏÔÁÅÔ ÎÏÒÍÁÌØÎÏ), ÎÅ × ÐÒÁ×ÁÈ (ÏÔ ÒÕÔÁ - ÔÏ ÖÅ ÓÁÍÏÅ), ÎÅ ×
>> resolve (ÏÐÑÔØ-ÔÁËÉ, resolve ÒÁÂÏÔÁÅÔ ÎÏÒÍÁÌØÎÏ). ðÏÈÏÖÅ, ÞÔÏ ÐÒÏÂÌÅÍÁ
>> × ping, × ÔÏÍ, ËÁË ping ×ÙÚÙ×ÁÅÔ gethostbyname.
>>
>> óÅÊÞÁÓ ÐÅÒÅÓÏÂÒÁÌ ping Ó ËÌÀÞÏÍ -g, ÚÁÐÕÓÔÉÌ ÐÏÄ gdb. ïËÁÚÁÌÏÓØ, ÞÔÏ
>> ÐÒÉ ×ÙÚÏ×Å gethostbyname("www.ya.ru") ÉÚ ping ×ÏÚ×ÒÁÝÁÅÔÓÑ 0, ÐÒÉ
>> ÜÔÏÍ h_errno==2, ÞÔÏ ÏÚÎÁÞÁÅÔ
>> #define TRY_AGAIN 2 /* Non-Authoritative Host not found,
>> or SERVERFAIL. */
>
> ping ÓÉÄÉÔ × chroot (ÐÏ ËÒÁÊÎÅÊ ÍÅÒÅ ÒÁÎØÛÅ ÔÁË ÂÙÌÏ). íÏÖÅÔ ÂÙÔØ × ÜÔÏÍ
> ÐÒÏÂÌÅÍÁ?
äÁ, ÓÅÊÞÁÓ ÐÅÒÅÓÏÂÒÁÌ ping, ÚÁËÏÍÍÅÎÔÉÒÏ×Á× ×ÙÚÏ×Ï×Ù chroot É ÏÎ ÎÁÞÁÌ
ÒÁÂÏÔÁÔØ ÎÏÒÍÁÌØÎÏ.
ëÁËÏÊ ÎÁÉÌÕÞÛÉÊ ×ÙÈÏÄ ÉÚ ÜÔÏÇÏ ÐÏÌÏÖÅÎÉÑ? íÏÖÅÔ ÂÙÔØ, ÅÍÕ × chroot
ËÁËÏÊ-ÔÏ ÂÉÂÌÉÏÔÅËÉ ÎÅ È×ÁÔÁÅÔ, ÎÁÄÏ ÅÅ × /var/resolv ÚÁÓÕÎÕÔØ?
--
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