Wednesday, October 19, 2016

Email Header का Descrption हिन्दी मे|

                                 Email Header Description
किसी भी Email का सारा description उसके Header मे ही Include रहता है जैसे Email कहा से आया है ,उसका Ip Address क्या है,किस Date,किस Time पर भेजा गया है ,कितने सारे server से होकर आया है ,वह Server किस किस country मे है |इस Header के सहारे हम Email का Exact geographical Location पता कर सकते है ,Email Spoofing के Case मे भी Header को Investigate करके पता चलता है की Email Spoofed है की नहीं|
वैसे तो सारे Email Header का Description देना यहा संभव नहीं है फिर भी यदि आप एक दो Email Header के Description को अच्छी तरह से Practice करे तो धीरे धीरे आप सारे Email Header को Investigate करना सीख जाएंगे |
तो अब हमलोग एक Example से Header को Analyze करना सीखेंगे | Suppose “rohit121@rediffmail.com से shruti@gmail.com को एक Mail भेजा गया है तो shruti के Gmail Account मे Rohit के द्वारा भेजे गए Message का Header इस प्रकार है|




Delivered-To: shruti@gmail.com
Received: by 10.143.14.2 with SMTP id r2cs422355wfi;
Sat, 13 Oct 2007 07:53:42 -0700 (PDT)
Received: by 10.114.134.1 with SMTP id
h1mr4864975wad.1192287222686;
Sat, 13 Oct 2007 07:53:42 -0700 (PDT)
Received: from rediffmail.com ([202.54.124.145])
by mx.google.com with SMTP id
z20si2553641pod.2007.10.13.07.53.41;
Sat, 13 Oct 2007 07:53:42 -0700 (PDT)
Received-SPF: pass (google.com: domain of rohit121@rediffmail.com
designates 202.54.124.145 as permitted sender) client-ip=202.54.124.145;
Authentication-Results: mx.google.com; spf=pass (google.com: domain of
rohit121@rediffmail.com designates 202.54.124.145 as permitted sender)
smtp.mail= rohit121@rediffmail.com
Received: (qmail 18986 invoked by uid 510); 13 Oct 2007 14:52:16 -0000
Date: 13 Oct 2007 14:52:16 -0000
Message-ID: <20071013145216.18983.qmail@webmail30.rediffmail.com>
MIME-Version: 1.0
To: <shruti@gmail.com>
Received: from unknown 122.169.11.181 by rediffmail.com via HTTP; 13
Oct 2007 14:52:16 -0000
Subject: Re: Email header

Content-Type: multipart/alternative;
boundary="=_7d001a0d1af346f974274cce90d3f126"
--=_7d001a0d1af346f974274cce90d3f126
Content-Type: text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding: 7bit
Hi, how are u shruti
Regards, Rohit
--=_7d001a0d1af346f974274cce90d3f126
Content-Type: text/html; charset="ISO-8859-1"
Content-Transfer-Encoding: quoted-printable
--=_7d001a0d1af346f974274cce90d3f126—











अब हमलोग इस Email Header का part by part को समझेंगे
(i)            Delivered-To: shruti@gmail.com


 इस line का मतलब हुआ कि यह Email shruti@gmail.com के Account मे deliver हुआ है|

(ii) Received: by 10.143.14.2 with SMTP id r2cs422355wfi;
Sat, 13 Oct 2007 07:53:42 -0700 (PDT)
Received: by 10.114.134.1 with SMTP id
h1mr4864975wad.1192287222686;
Sat, 13 Oct 2007 07:53:42 -0700 (PDT)

ऊपर वाले Line से पता चलता है कि Email, MTA(MAIL Transfer Agent) से होकर जो उसमे Time और Date लिखा हुआ है उतने समय पर pass किया है|
(MTA वह server program है जो Individual user को incoming Email को Receive कर उसे Deliver करता है|)

PDT का Full Form है Pacific Day Light Time|यहा पर  -0700 Show कर रहा है जो Time यहा Mention किया गया है वह GMT से 7 घंटा पीछे है|अगर आपको PDT को Direct IST(Indian Standard Time) मे बदलना है तो उसमे Simply 12 घंटा 30 मिनट ज़ोर दीजिये |

अगर आप पूरा Email Header का Description का जानना चाहते है और प्रत्येक Type का Email जैसे GMAIL, YAHOO, Rediffmail, Microsoft Outlook etc.... के Header का Description जानना चाहते है तो Ethical Hacking Book in Hindi” जरूर पढे




5 comments:

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