Fetch authentication errors on "make fetchindex" in /usr/ports

[Yuri Pankov]

Bob Willcox wrote:
> On a recently installed system (from a snapshot):
> 
> FreeBSD lando.immure.com 12.1-STABLE FreeBSD 12.1-STABLE r362436 LANDO  amd64
> 
> When I attempt to run "make fetchindex" in /usr/ports I get these errors continuously:
> 
> /usr/bin/env  fetch -am -o /usr/ports/INDEX-12.bz2 https://www.FreeBSD.org/ports/INDEX-12.bz2
> Certificate verification failed for /C=US/O=Let's Encrypt/CN=Let's Encrypt Authority X3
> 34370502656:error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed:/usr/src/crypto/openssl/ssl/statem/statem_clnt.c:1915:
> fetch: https://www.FreeBSD.org/ports/INDEX-12.bz2: Authentication error
> Certificate verification failed for /C=US/O=Let's Encrypt/CN=Let's Encrypt Authority X3
> 34370502656:error:1416F086:SSL routines:tls_process_server_certificate:certificate verify failed:/usr/src/crypto/openssl/ssl/statem/statem_clnt.c:1915:
> 
> Any advice on what I can to do to fix this greatly welcomed.

pkg install ca_root_nss