广东有线U宽频的一些东西

U宽频的机顶盒，居然开放了23端口，telnet了一下居然进去了。
看到是ralink的芯片

# cat /proc/cpuinfo
system type             : Ralink SoC
processor               : 0
cpu model               : MIPS 24K V4.12
BogoMIPS                : 212.99
wait instruction        : yes
microsecond timers      : yes
tlb_entries             : 32
extra interrupt vector  : yes
hardware watchpoint     : yes
ASEs implemented        : mips16 dsp
VCED exceptions         : not available
VCEI exceptions         : not available

查看一下分区信息

# cat /proc/mtd
dev:    size   erasesize  name
mtd0: 00800000 00010000 "ALL"
mtd1: 00030000 00010000 "Bootloader"
mtd2: 00010000 00010000 "Config"
mtd3: 00010000 00010000 "Factory"
mtd4: 000e0000 00010000 "Kernel"
mtd5: 002d0000 00010000 "RootFS"
mtd6: 00010000 00010000 "Config2"
mtd7: 000e0000 00010000 "Kernel2"
mtd8: 002d0000 00010000 "RootFS2"

查看一下内存

# cat /proc/meminfo
MemTotal:        30080 kB
MemFree:         16692 kB
Buffers:          1296 kB
Cached:           4940 kB
SwapCached:          0 kB
Active:           3584 kB
Inactive:         3996 kB
SwapTotal:           0 kB
SwapFree:            0 kB
Dirty:               0 kB
Writeback:           0 kB
AnonPages:        1372 kB
Mapped:           1484 kB
Slab:             3596 kB
SReclaimable:      320 kB
SUnreclaim:       3276 kB
PageTables:        224 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:     15040 kB
Committed_AS:     3904 kB
VmallocTotal:  1048404 kB
VmallocUsed:      1852 kB
VmallocChunk:  1046040 kB

# free
              total         used         free       shared      buffers
  Mem:        30080        13432        16648            0         1296
 Swap:            0            0            0
Total:        30080        13432        16648

查看一下挂载信息

# mount
rootfs on / type rootfs (rw)
/dev/root on / type squashfs (ro)
proc on /proc type proc (rw)
none on /var type ramfs (rw)
none on /etc type ramfs (rw)
none on /tmp type ramfs (rw)
none on /media type ramfs (rw)
none on /dev/pts type devpts (rw)

可以确定不是openwrt改的，发现没有dropbear，web server用的是goahead。