脚本如下：
echo -e #!/bin/sh\nMACS=/tmp/nzone.macs\n[ -f \$MACS ] || wget -q -O \$MACS \ h8t8t8p://duke-srg.dyndns.org/3ds/nzone?\$1\ \nMACNUM=\$(cat \$MACS | wc -l)\n[ \$MACNUM != 0 ] || exit\nRANDOM=\$(head /dev/urandom | hexdump -d | head -n 1 | cut -c 11-15)\nMACNUM=\$((\$RANDOM%\${MACNUM}+1))\nMAC=\$(head -n \$MACNUM \$MACS | tail -n 1)\nWLINT=\$(nvram get wl0_ifname)\nAPDCNF=/tmp/\${WLINT}_hostap.conf\nAPDPID=/var/run/\${WLINT}_hostapd.pid\nif [ -e \$APDCNF ]; then\nkill \$(cat \$APDPID)\nsleep 3\nsed -ri s/bssid=.*/bssid=\$MAC/ \$APDCNF\nhostapd -B -P \$APDPID \$APDCNF\nelse\nifconfig \$WLINT down\nifconfig \$WLINT hw ether \$MAC\nifconfig \$WLINT up\nfi /tmp/nzone; chmod 555 /tmp/nzone
还有ddwrt的cron
*/15 * * * * root /tmp/nzone 49,BASE256,GBATEMP