UseCannonicalName.  ,    .

UseCannonicalName On | Off ] DNS

On: Apache       ServerName (.
 " I"    ).
Off: Apache         .
DNS: Apache       DNS (.
 "  "  24)  IP-   -
,    .  .
     ,      ,   -
  .  Red Hat     Off,   -
  ServerName (.  " I"    -
).    ServerName,   UseCannonicalName 
On.         "-
"    .

:  ,  , 
 : On
Red Hat: Off

   

ErrorLog. ,  Apache    .

ErrorLog _ | syslog[:facility]



_:      ServerRoot (. 

),   Apache    .

syslog: ,  Apache      syslogd (.

 "syslogd:     "  16).

facility:    syslogd.    117.

:  ,  

 : logs/error_log

Red Hat: logs/error_log

LogLevel.     ,  Apache.

LogLevel 

  ,  Apache        
 ( ) .     , 
       :

emerg         

alert     ,   

  it         

error        

warn       

notice    ,   

info          

debug          

 26.  Web- Apache (httpd)                                  797