Hello,
I am running Nessus 3.0.2 for Fedora Core 4 on a Pentium 4 with 500 MB RAM
and a 100Mb ethernet connection.
After scanning ~50 windows servers and workstations I found the following
system message:
Warning!!!: Connections Rejected due to high load average 98 Time(s)
Load Avg 12: 19 Time(s)
Load Avg 13: 20 Time(s)
Load Avg 14: 18 Time(s)
Load Avg 15: 12 Time(s)
Load Avg 16: 7 Time(s)
Load Avg 17: 3 Time(s)
Load Avg 18: 5 Time(s)
Load Avg 19: 5 Time(s)
Load Avg 20: 1 Time(s)
Load Avg 21: 2 Time(s)
Load Avg 22: 1 Time(s)
Load Avg 24: 1 Time(s)
Load Avg 26: 2 Time(s)
Load Avg 27: 2 Time(s)
Max. Load Avg reached: 27
My .nessusrc server prefs are as follows:
begin(SERVER_PREFS)
max_hosts = 20
max_checks = 4
cgi_path = /cgi-bin:/scripts
port_range = default
auto_enable_dependencies = yes
silent_dependencies = yes
host_expansion = ip
ping_hosts = no
reverse_lookup = yes
optimize_test = no
safe_checks = no
use_mac_addr = no
unscanned_closed = no
save_knowledge_base = no
only_test_hosts_whose_kb_we_dont_have = no
only_test_hosts_whose_kb_we_have = no
kb_restore = no
kb_dont_replay_scanners = no
kb_dont_replay_info_gathering = no
kb_dont_replay_attacks = no
kb_dont_replay_denials = no
kb_max_age = 864000
slice_network_addresses = no
plugin_upload_suffixes = .nasl, .nasl3, .inc, .inc3, .nbin
plugin_upload = yes
plugins_timeout = 320
non_simult_ports = 139, 445
checks_read_timeout = 5
language = english
log_whole_attack = yes
throttle_scan = yes
auto_update_delay = 24
auto_update = yes
end(SERVER_PREFS)
Why were those connections rejected? Is my "max_hosts" set to high compared
to the amount of RAM that I am using? Or do I need to decrement the
"checks_read_timeout" number?
Thanks!
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