ceritanya di firewall aja kan...
----- Original Message ----- From: <[EMAIL PROTECTED]> To: <[email protected]> Sent: Thursday, June 02, 2005 10:15 PM Subject: Re: [ITCENTER] freemail pop3 > sebenarnya untuk OutGOing Port 25 ama 110 jgn di block > tapi ada kalanya begini : > client melakukan email Bomb (entah krn virus) nyerang > ke destination port 25 di Luar (Internet) > contoh Firewall yg saya buat : > iptables -A forward -p tcp -d ! IPServer --dport 25 -j DROP > : artinya dari client ke luar (port 25) di drop > > oleh karena itu seringkali port keluar 25& 110 di block > tapi kalo di client tdk masalah > Port 25 dan 110 tidak usah diblock > 25 untuk smtp (kirim email) > 110 untuk Pop3 (ngambil email) > >> normally, admin hanya buka port untuk user di firewall yaitu 80(http), >> 443(https), 25(smtp), 110(pop3), dan ftp. Tentunya dgn alasan trafic dan >> virus attack. Port tsb terus dimaintain dgn virusscan spy aman. Nah PC >> user >> kan tdk punya virusscan-nya, jadi kalo masing-masing PC bisa langsung >> pakai >> port tsb aliyas tdk aman, begitu kan..... >> >> ----- Original Message ----- >> From: "Ryo Saeba�" <[EMAIL PROTECTED]> >> To: <[email protected]> >> Sent: Thursday, June 02, 2005 10:07 AM >> Subject: Re: [ITCENTER] freemail pop3 >> >> >>> At 08:23 +0700 6/2/05, Internet Mail wrote: >>>>ya pasti diblok admin port 25 sama 110-nya, security-nya gimana donk >>>> kalau >>>>pada bisa pop3. >>> >>> iya, saya juga bingung, apa hubungannya dengan security ya kalau >>> dilakukan blocking outgoing port 25 dan 110? anda bisa jelaskan? >>> >>> -- >>> I solemnly swear that I'm up to no good >>> http://data.startrek.or.id >>> http://kiozk.com >>> >>> >>> -- >>> www.ITCENTER.or.id - Komunitas Teknologi Informasi Indonesia >>> Info, Gabung, Keluar, Mode Kirim : [EMAIL PROTECTED] >>> ::: Hapus bagian yang tidak perlu (footer, dst) saat reply! ::: >>> ## Jobs: itcenter.or.id/jobs ## Bursa: itcenter.or.id/bursa ## >>> $$ Iklan/promosi : www.itcenter.or.id/sponsorship $$ >>> >>> >>> Yahoo! Groups Links >>> >>> >>> >>> >>> >>> >>> >> >> >> >> -- >> www.ITCENTER.or.id - Komunitas Teknologi Informasi Indonesia >> Info, Gabung, Keluar, Mode Kirim : [EMAIL PROTECTED] >> ::: Hapus bagian yang tidak perlu (footer, dst) saat reply! ::: >> ## Jobs: itcenter.or.id/jobs ## Bursa: itcenter.or.id/bursa ## >> $$ Iklan/promosi : www.itcenter.or.id/sponsorship $$ >> >> >> Yahoo! Groups Links >> >> >> >> >> >> >> > > > > > -- > www.ITCENTER.or.id - Komunitas Teknologi Informasi Indonesia > Info, Gabung, Keluar, Mode Kirim : [EMAIL PROTECTED] > ::: Hapus bagian yang tidak perlu (footer, dst) saat reply! ::: > ## Jobs: itcenter.or.id/jobs ## Bursa: itcenter.or.id/bursa ## > $$ Iklan/promosi : www.itcenter.or.id/sponsorship $$ > > > Yahoo! Groups Links > > > > > > -- www.ITCENTER.or.id - Komunitas Teknologi Informasi Indonesia Info, Gabung, Keluar, Mode Kirim : [EMAIL PROTECTED] ::: Hapus bagian yang tidak perlu (footer, dst) saat reply! ::: ## Jobs: itcenter.or.id/jobs ## Bursa: itcenter.or.id/bursa ## $$ Iklan/promosi : www.itcenter.or.id/sponsorship $$ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/ITCENTER/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
