I used Bullitproof FTP, works fine. I didn't have to do anything to the router.
flashawk.
Athlon XP 2600+ 333
Asus A7N8X Standard
1024MB Corsair XMS3000
Highpoint RocketRAID 100
Highpoint RocketRAID 1520
Promise Ultra133 TX2
2x 80GB 8MB Cache Western Digital RAID 0
1x 200GB 16MB Cache Western Digital SATA 150
1x 250GB 16MB Cache Western Digital SATA 150
2x 80GB 8MB Cache Western Digital ATA100 7200RPM
1x Maxtor 60GB ATA133 7200RPM
Memorex 52x24x52 CD-RW
Lite-On DVD-RW LH-20A1P
nVidia 6800GT 128MB AGP 8x
SB Live!
Speedstream 5262
Corsair Hydrocool 200
PC Power and Cooling 410 Deluxe
Lian-li PC-60 USB
Windows XP Pro SP2
Pacific Bell DSL 3Mb/s Down 768Kb/s Up, 1.5Mb/s Down 512Kb/s up
load balanced on a Linksys RV042
Linksys WRT54G v3.1 Tarifa Firmware b009 performing wireless duties