• 2022-05-29
    仅仅允许到主机1.1.1.1的SMTP邮件服务的命令是()。
    A: access-list 10 permit smtp host 1.1.1.1
    B: access-list 110 permit ip smtp host 1.1.1.1
    C: access-list 10 permit tcp any host 1.1.1.1 eq smtp
    D: access-list 110 permit tcp any host 1.1.1.1 eq smt
  • 举一反三