Home Online Business What’s an SSL port? A technical information for HTTPS

What’s an SSL port? A technical information for HTTPS

What’s an SSL port? A technical information for HTTPS


Get the SSL particulars

Safe Sockets Layer (SSL) is the know-how liable for knowledge authentication and encryption for web connections. It encrypts knowledge being despatched over the web between two programs (generally between a server and a shopper) in order that it stays personal. And with the rising significance of on-line privateness, an SSL port is one thing it’s best to get accustomed to.

As a result of knowledge might be despatched with or with out the usage of SSL, one option to point out a safe connection is by the port quantity. By default, HTTPS connections use TCP port 443. HTTP, the unsecure protocol, makes use of port 80.

Generally used TCP ports

For these liable for configuring and managing hosting, it’s helpful to know the numbers for frequent companies, comparable to an SSL port. Use the tables beneath to shortly search for port numbers and their primary capabilities.


Port # Perform
443 SSL
21 FTP
990 FTPs
3306 MySQL

Electronic mail

Port # Perform
110 POP – Incoming
995 POP SSL – Incoming
143 IMAP – Incoming
993 IMAP SSL – Incoming
25, 80, 3535 SMTP – Outgoing
465 SMTP SSL – Outgoing

You may see which ports GoDaddy makes use of for electronic mail — along with discovering SSL port info — within the GoDaddy Assist Middle.


Port # Perform
2082 cPanel TCP inbound
2083 cPanel SSL TCP inbound
2086 WHM TCP inbound
2087 WHM SSL TCP inbound
2089 WHM SSL TCP inbound
2095 Webmail TCP inbound
2096 Webmail SSL TCP inbound

You may see which ports GoDaddy makes use of for cPanel within the GoDaddy Assist Middle.

How does HTTPS and SSL work?

HTTP shouldn’t be a separate protocol from HTTPS. Reasonably, HTTPS works by establishing a safe HTTP connection utilizing SSL. Therefore, the protocol stacks for HTTP and HTTPS look comparable:

Layer HTTP Protocol Stack HTTPS Protocol Stack
Utility Layer HTTP HTTP
Safety Layer SSL (TLS)
Transport Layer TCP TCP
Community Layer IP IP
Information Hyperlink Layer Community Interfaces Community Interfaces

The one distinction is that HTTPS runs over SSL. To create this safe web connection, an SSL certificates is put in on a net server. The SSL certificates authenticates a corporation’s id to activate the HTTPS protocol in order that knowledge might be handed securely from an online server to an online browser.

Distinguishing between certificates and protocols

The HTTPS protocol and an SSL certificates are two completely different — however important — elements in making a safe web connection.

  • The HTTPS protocol gives the channel by which knowledge is encrypted and transferred securely.
  • SSL certificates are merely used to authenticate important info when an web person makes an attempt to ship info over a safe connection.

Due to this fact, the safe connection is set by your server configuration and never by the certificates itself.

What’s the distinction between SSL and TLS?

Transport Layer Safety (TLS) is an replace to the SSL protocol. The unique SSL protocol was developed by Netscape again in 1995 and launched to the general public as SSL 2.0. Since that point, updates have been made to make sure stronger, safer encryption.

In 1999, TLS 1.0 was launched as an replace to SSL 3.0. Since then, TLS has been the first know-how used to safe knowledge over web connections and SSL. Nevertheless, as a result of the time period SSL is extra widely-known, the identify carries on regardless of the know-how depreciating.

Why ought to I fear about my SSL port?

Seemingly a small nuance, your SSL port is necessary for a variety of causes. For starters, HTTP is falling out of favor. In actual fact, greater than 97 % of net pages are loaded by way of HTTPS in Google Chrome in the US, in response to Google’s HTTPS Transparency Report. Apart from the rationale that “everybody else is doing it,” there are a ton of benefits to utilizing HTTPS versus HTTP.

Restrict publicity to felony exercise through the use of SSL

HTTPS provides a further layer of safety towards digital eavesdropping, whereby criminals monitor community exercise to steal useful info like login credentials. As a result of HTTPS is encrypted, it helps to thwart any such felony exercise.

HTTPS is required for PCI compliance

In the event you accumulate bank card info in your web site, then you’re required by the Cost Card Business to make use of HTTPS.

HTTPS is able to loading net pages quicker than HTTP

Not solely does HTTPS make for a safer looking expertise, it will possibly additionally positively influence the load instances of your web site content material. In the event you want proof, see for your self.

SSL Port Speed

Create a extra reliable net looking expertise

Most main net browsers point out whether or not or not a web site is safe within the handle bar with a padlock icon or the phrase “safe.”

Screenshot showing GoDaddy HTTPS


Internet browsers, like Chrome, are shifting in direction of alerting customers once they’ve accessed a web site that’s not utilizing HTTPS.

SSL Port Chrome

SSL can enhance your search engine marketing

HTTPS is most well-liked by main engines like google and is usually thought of helpful for search engine marketing. It’s essential that you simply implement HTTPS accurately and take a number of additional steps to make sure you reap the search engine marketing advantages. Observe this HTTPS migration guidelines for search engine marketing to be sure you get it proper.

How do I get SSL?

SSL certificates might be bought from a Certificates Authority (CA), like GoDaddy. After you buy the certificates, comply with the directions out of your internet hosting supplier to set up the SSL certificates, or get GoDaddy Managed SSL so we will deal with the set up and upkeep of your SSL certificates.

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