has_hostip = (SYS.call( [[which hostip >/dev/null 2>&1]] ) == 0)
has_nslookup = (SYS.call( [[$(which nslookup) localhost 2>&1 | grep -qF "(null)"]] ) ~= 0)
has_ipv6 = (NXFS.access("/proc/net/ipv6_route") and NXFS.access("/usr/sbin/ip6tables"))
has_ssl = (has_wgetssl or has_curlssl or (has_fetch and has_fetchssl))
has_proxy = (has_wgetssl or has_curlpxy or has_fetch or has_bbwget)
has_hostip = (SYS.call( [[which hostip >/dev/null 2>&1]] ) == 0)
has_nslookup = (SYS.call( [[$(which nslookup) localhost 2>&1 | grep -qF "(null)"]] ) ~= 0)
has_ipv6 = (NXFS.access("/proc/net/ipv6_route") and NXFS.access("/usr/sbin/ip6tables"))
has_ssl = (has_wgetssl or has_curlssl or (has_fetch and has_fetchssl))
has_proxy = (has_wgetssl or has_curlpxy or has_fetch or has_bbwget)