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From "Dmitry Medvedev" <medve...@rsdsoft.msk.ru>
Subject Re: Network is unreachable: connect to listener
Date Tue, 09 Jul 2002 11:47:58 GMT
yes, it's quite normal as far as DoS is concerned.
  ----- Original Message ----- 
  From: Steve Wong 
  To: users@httpd.apache.org 
  Sent: Tuesday, July 09, 2002 1:29 PM
  Subject: Network is unreachable: connect to listener


   

  Is it normal to have the error message "Network is unreachable: connect to listener" appearing
every 1 second?

  This appears after I used ab -n 10000 -c 100 .

   

  bash-2.03# ./httpd -l

  Compiled in modules:

    core.c

    mod_access.c

    mod_auth.c

    mod_include.c

    mod_log_config.c

    mod_env.c

    mod_setenvif.c

    prefork.c

    http_core.c

    mod_mime.c

    mod_status.c

    mod_autoindex.c

    mod_asis.c

    mod_cgi.c

    mod_negotiation.c

    mod_dir.c

    mod_imap.c

    mod_actions.c

    mod_userdir.c

    mod_alias.c

    mod_rewrite.c

    mod_so.c

   

  bash-2.03# ./httpd -V

  Server version: Apache/2.0.39

  Server built:   Jul  8 2002 17:19:25

  Server's Module Magic Number: 20020612:1

  Architecture:   32-bit

  Server compiled with....

   -D APACHE_MPM_DIR="server/mpm/prefork"

   -D APR_HAS_MMAP

   -D APR_HAVE_IPV6

   -D APR_USE_PROC_PTHREAD_SERIALIZE

   -D APR_USE_PTHREAD_SERIALIZE

   -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT

   -D APR_HAS_OTHER_CHILD

   -D AP_HAVE_RELIABLE_PIPED_LOGS

   -D HTTPD_ROOT="/opt/apache_4.0.2"

   -D SUEXEC_BIN="/opt/apache_4.0.2/bin/suexec"

   -D DEFAULT_PIDLOG="logs/httpd.pid"

   -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"

   -D DEFAULT_LOCKFILE="logs/accept.lock"

   -D DEFAULT_ERRORLOG="logs/error_log"

   -D AP_TYPES_CONFIG_FILE="conf/mime.types"

   -D SERVER_CONFIG_FILE="conf/httpd.conf"

   

  In httpd.conf:

  # prefork MPM

  # StartServers: number of server processes to start

  # MinSpareServers: minimum number of server processes which are kept spare

  # MaxSpareServers: maximum number of server processes which are kept spare

  # MaxClients: maximum number of server processes allowed to start

  # MaxRequestsPerChild: maximum number of requests a server process serves

  <IfModule prefork.c>

  StartServers         5

  MinSpareServers      5

  MaxSpareServers     10

  MaxClients         150

  MaxRequestsPerChild  0

  </IfModule>

   

  Thx. and Regards.

  Steve.


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