Nasser Heidari

March 27, 2009

IRAN – Archaic Signet of Civilization

Filed under: Uncategorized — Nasser Heidari @ 1:17 pm

March 11, 2009

FreeBSD – Ssh Login Rejected : authentication error for illegal user

Filed under: Linux, freebsd — Nasser Heidari @ 7:17 am

sshd[1822]:error:pam:authentication error for illegal user

# egrep -i ‘allow|deny’ /etc/ssh/sshd_config

AllowUsers                  nasser@85.*

***my problem solved after that i comment this line in my sshd_config***

March 10, 2009

Traceing a Domain with dig

Filed under: Linux — Nasser Heidari @ 6:05 pm

# dig +trace yahoo.com

; <<>> DiG 9.3.4-P1 <<>> +trace yahoo.com
;; global options:  printcmd
.                       518400  IN      NS      L.ROOT-SERVERS.NET.
.                       518400  IN      NS      F.ROOT-SERVERS.NET.
.                       518400  IN      NS      H.ROOT-SERVERS.NET.
.                       518400  IN      NS      G.ROOT-SERVERS.NET.
.                       518400  IN      NS      I.ROOT-SERVERS.NET.
.                       518400  IN      NS      A.ROOT-SERVERS.NET.
.                       518400  IN      NS      K.ROOT-SERVERS.NET.
.                       518400  IN      NS      J.ROOT-SERVERS.NET.
.                       518400  IN      NS      B.ROOT-SERVERS.NET.
.                       518400  IN      NS      D.ROOT-SERVERS.NET.
.                       518400  IN      NS      C.ROOT-SERVERS.NET.
.                       518400  IN      NS      M.ROOT-SERVERS.NET.
.                       518400  IN      NS      E.ROOT-SERVERS.NET.
;; Received 500 bytes from 85.15.1.12#53(85.15.1.12) in 1 ms

com.                    172800  IN      NS      a.gtld-servers.net.
com.                    172800  IN      NS      b.gtld-servers.net.
com.                    172800  IN      NS      c.gtld-servers.net.
com.                    172800  IN      NS      d.gtld-servers.net.
com.                    172800  IN      NS      e.gtld-servers.net.
com.                    172800  IN      NS      f.gtld-servers.net.
com.                    172800  IN      NS      g.gtld-servers.net.
com.                    172800  IN      NS      h.gtld-servers.net.
com.                    172800  IN      NS      i.gtld-servers.net.
com.                    172800  IN      NS      j.gtld-servers.net.
com.                    172800  IN      NS      k.gtld-servers.net.
com.                    172800  IN      NS      l.gtld-servers.net.
com.                    172800  IN      NS      m.gtld-servers.net.
;; Received 487 bytes from 199.7.83.42#53(L.ROOT-SERVERS.NET) in 352 ms

yahoo.com.              172800  IN      NS      ns1.yahoo.com.
yahoo.com.              172800  IN      NS      ns2.yahoo.com.
yahoo.com.              172800  IN      NS      ns3.yahoo.com.
yahoo.com.              172800  IN      NS      ns4.yahoo.com.
yahoo.com.              172800  IN      NS      ns5.yahoo.com.
;; Received 197 bytes from 192.5.6.30#53(a.gtld-servers.net) in 391 ms

yahoo.com.              21600   IN      A       206.190.60.37
yahoo.com.              21600   IN      A       68.180.206.184
yahoo.com.              172800  IN      NS      ns6.yahoo.com.
yahoo.com.              172800  IN      NS      ns1.yahoo.com.
yahoo.com.              172800  IN      NS      ns8.yahoo.com.
yahoo.com.              172800  IN      NS      ns2.yahoo.com.
yahoo.com.              172800  IN      NS      ns4.yahoo.com.
yahoo.com.              172800  IN      NS      ns3.yahoo.com.
yahoo.com.              172800  IN      NS      ns5.yahoo.com.
;; Received 297 bytes from 68.180.131.16#53(ns1.yahoo.com) in 168 ms

March 5, 2009

Lighttpd deny access by IP address

Filed under: Linux — Nasser Heidari @ 5:29 am

http://linax.wordpress.com

http://linax.wordpress.com

$HTTP["remoteip"] == "xx.yy.zz.ww|qq.ww.ee.rr" { url.access-deny = ( "" ) } --------- $HTTP["remoteip"] !~ "xx.yy.zz.ww" { $HTTP["url"] =~ "^/admin/" { url.access-deny = ( "" ) } } ---------

March 3, 2009

Percentage of total Internet Email Identified as SPAM !

Filed under: Miscellaneous — Nasser Heidari @ 9:54 am

Month

2009

2008

2007

2006

2005

2004

January

74.60%

73.40%

75.80%

66.59%

83.11%

63.01%

February

73.30%

72.70%

77.80%

60.60%

76.30%

59.90%

March

-

73.80%

75.20%

57.80%

68.81%

52.82%

April

-

73.50%

76.10%

58.50%

68.76%

67.61%

May

-

76.80%

72.70%

57.90%

68.72%

76.02%

June

-

76.50%

72.40%

64.80%

67.25%

86.29%

July

-

75.10%

71.00%

62.70%

65.16%

94.51%

August

-

78.20%

74.00%

64.50%

65.10%

84.25%

September

-

70.10%

73.50%

64.40%

67.60%

72.14%

October

-

69.70%

74.50%

72.90%

68.00%

76.76%

November

-

58.00%

75.60%

74.00%

59.70%

73.77%

December

-

69.70%

73.10%

74.30%

57.40%

81.41%

Source:  http://www.messagelabs.com

Blog at WordPress.com.