Pak kalo di DNS blacklist saya adanya :
1. sbl-xbl.spamhaus.org (Dihapus)
2. bl.spamcop.net
3. zen.spamhaus.org (baru ditambah)
sudah benar belon ? ato masih ada yg kurang
Syafril Hermansyah wrote:
Hallo,
Sejak minggu lalu beberapa DNS-BL host (spt spamhaus.org) dan Antispam
host (misalkan SURBL) di serang DDOS (Distributed Denial of Service).
Implikasinya query ke DNS-BL host menjadi lambat sehingga mail sulit
masuk akibat time out.
Silakan melakukan check ke DNS-BL host MDaemon Anda (security | DNS
Black List | DNS-BL Host), hapus semua DNS-BL host yg sudah tidak lagi
berfungsi, lihat arsip :
http://www.mail-archive.com/[email protected]/msg10180.html
http://wiki.blitzed.org/OPM_status
perbaiki setting DNS-BL host Anda, lihat arsip :
http://www.mail-archive.com/[email protected]/msg11267.html
http://www.mail-archive.com/[email protected]/msg11272.html
perhatikan pula setting DNS (setup | Primary Domain | DNS) pastikan IP
yg Anda isikan disitu valid karena baik DNS-BL maupun Spamassassin BL
host (URIBL dan SURBL) menggunakan setting tsb sekalipun Anda
mengaktifkan "try to use DNS servers define in windows TCP/IP setting".
Kalau Anda melihat incoming mail "merangkak" (crawling), ubah set DNS
availability ke No (security | spam filter | Spam Filtering).
Kalau Anda bisa running DNS cache sendiri tentu akan lebih baik karena
akan mempercepat DNS-BL/URIBL/SURBL query dan caching.
-------- Original Message --------
Subject: [md-beta] FYI: RBLs under attack
Date: Tue, 12 Jun 2007 00:51:18 -0500
From: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
To: <[EMAIL PROTECTED]>
FYI: Several RBLS are under DDOS attacks
http://www.theregister.co.uk/2007/06/11/anti-spam_ddos/
http://www.eweek.com/article2/0,1895,2143566,00.asp
http://www.pcmag.com/article2/0,1895,2144550,00.asp
http://www.techworld.com/security/news/index.cfm?newsID=9110&pagtype=all
Attack types are mutating fast...
Admins are doing their best to keep the services up... for as long as
possible.
Alex
--- end of forwarded message ---
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