RStudio Desktop - security issue related open port?

RStudio IDE
1

Hi,
When running RStudio Desktop on Linux Ubuntu it opens port.
I assume it is for communication between IDE and R processes.

lsof -n -P | grep LISTEN

rsession   7114                    jan   14u     IPv4              60661       0t0        TCP 127.0.0.1:16132 (LISTEN)
rsession   7114  7116              jan   14u     IPv4              60661       0t0        TCP 127.0.0.1:16132 (LISTEN)
rsession   7114  7117              jan   14u     IPv4              60661       0t0        TCP 127.0.0.1:16132 (LISTEN)
rsession   7114  7118              jan   14u     IPv4              60661       0t0        TCP 127.0.0.1:16132 (LISTEN)
rsession   7114  7131              jan   14u     IPv4              60661       0t0        TCP 127.0.0.1:16132 (LISTEN)
rsession   7114  7132              jan   14u     IPv4              60661       0t0        TCP 127.0.0.1:16132 (LISTEN)

In Ubuntu OS firewall is disabled by default.
Any there any extra risks added by those open ports? I sometimes use public unprotected networks in cafe or airport.
Is there anything I can do to mitigate this risk (if any)? other than enabling firewall. For example switching RStudio to single R process execution model?

2

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