the best 3 season tents generally come with a waterproof rain fly and a breathable canopy ideally you want to find a three season tent with a waterproof floor the rugged bathtub floor is generally reserved for the more expensive four season tent but not always
The default port number of an outgoing SMTP server is  25: but a switch to another one can be needed: for instance, if you are facing issues with the SMTP connection (the client is not sending emails even if the server name is right) you can try to change the port as a troubleshooting measure.
TCP port 1433 is the default port for SQL Server. This port is also the official Internet Assigned Number Authority (IANA) socket number for SQL Server. Client systems use TCP 1433 to connect to the database engine; SQL Server Management Studio (SSMS) uses the port to manage SQL Server instances across the network. You can reconfigure SQL Server to listen on a different port, but 1433 is by far the most common implementation.