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warm regardsrahman isnainiandroid mail system-------- Original message --------From: Syafril Hermansyah <[email protected]> Date: 4/24/2018 9:46 AM (GMT+07:00) To: [email protected] Subject: [mdaemon-l] Beda SSL/TLS dan STARTTLS On 24/04/18 08:57, Ivan ([email protected]) wrote: > Pak kedua ini bedanya apa ya ? SSL/TLS adalah metode enkripsi (cryptographic protocol), bisa pakai SSL atau TLS. STARTTLS adalah mail command (protocol command) untuk mengubah (switching) dari non secure/plain ke Secure SSL atau TLS. https://www.fastmail.com/help/technical/ssltlsstarttls.html SSL and TLS both provide a way to encrypt a communication channel between two computers (e.g. your computer and our server). TLS is the successor to SSL and the terms SSL and TLS are used interchangeably unless you're referring to a specific version of the protocol. STARTTLS is a way to take an existing insecure connection and upgrade it to a secure connection using SSL/TLS. Note that despite having TLS in the name, STARTTLS doesn't mean you have to use TLS, you can use SSL. https://www.sparkpost.com/resources/email-explained/ssl-tls-starttls-encyption/ Understanding SSL, TLS, and STARTTLS Email Encryption SSL, TLS, and STARTTLS refer to standard protocols used to secure email transmissions. SSL (Secure Sockets Layer) and its successor, Transport Layer Security (TLS), provide a way to encrypt a communication channel between two computers over the Internet. In most cases, the terms SSL and TLS can be used interchangeably unless you’re referring to a specific version of the protocol. Because TLS and SSL are application-layer protocols, senders and receivers need to know that they are being used to encrypt emails during transit. That’s where STARTTLS comes into play. STARTTLS is an email protocol command that tells an email server that an email client, including an email client running in a web browser, wants to turn an existing insecure connection into a secure one. (By the way, the use of “TLS” in the STARTTLS command name does not mean that it only works with the TLS security protocol. It works with SSL too.) https://www.limilabs.com/blog/ssl-vs-tls-vs-starttls-stls SSL and TLS SSL and TLS are cryptographic protocols, both provide a way to encrypt communication channel between two machines over the Internet (e.g. client computer and a server). SSL stands for Secure Sockets Layer and current version is 3.0. TLS stands for Transport Layer Security and the current version is 1.2. TLS is the successor to SSL. The terms SSL and TLS can be used interchangeably, unless you’re referring to a specific protocol version. Version numbering is inconsistent between SSL and TLSs. When TLS took over SSL as the preferred protocol name, it began with a new version number. The ordering of protocols in terms of oldest to newest is: SSLv2, SSLv3, TLSv1.0, TLSv1.1, TLSv1.2. STARTTLS and STLS STARTTLS is a protocol command, that is issued by an email client. It indicates, that the client wants to upgrade existing, insecure connection to a secure connection using SSL/TLS cryptographic protocol. STARTTLS command name is used by SMTP and IMAP protocols, whereas POP3 protocol uses STLS as the command name. -- syafril ------- Syafril Hermansyah MDaemon-L Moderators, running MDaemon 18.0-64 bit Harap tidak cc: atau kirim ke private mail untuk masalah MDaemon. Education is the kindling of a flame, not the filling of a vessel. --- Socrates -- --[mdaemon-l]---------------------------------------------------------- Milis ini untuk Diskusi antar pengguna MDaemon Mail Server di Indonesia Netiket: https://wiki.openstack.org/wiki/MailingListEtiquette Arsip: http://mdaemon-l.dutaint.com Dokumentasi : http://mdaemon.dutaint.co.id Berlangganan: Kirim mail ke [email protected] Henti Langgan: Kirim mail ke [email protected] Versi terakhir MD 18.0 (all-in-one), SG 5.0.1
