I get this when i do a tail on a normal file (it's normal when i edit it
with vi or look at it with less).

# tail ipmon
CH?CH*CH:CHJCHZCHjCHzCHSCHsCHªCHºCHÊCHÚCHêCHúCH
HêDHúDHsDHªDHºDHÊDH¸ã
EH?EH*EH:EHJEHZEHjEHzEHSEHsEHªEHºEHÊEHÚEHêEHúEH
FH?FH*FH:FHJFHZFHjFHzFHSFH´
                           HªFHºFHÊFHÚFHêFHúFH
HêGHúGHH:GHJGHZGHjGHzGHSGHsGHªGHºGHÊGHý
HH
H*HH:HHJHHZHHjHHzHHSHHsHHªHHºHHÊHHÚHHêHHúHH
IH?IH*IH:IHJIHZIHjIHzIHSIHsIHªIHºIHÊIHÚIHêIHúIH
HsJHªJHºJHÊJHÚJHêJHúJHHØà
KH?KH*KH:KHJKHZKHjKHzKHSKHsKHªKHºKHÊKHÚKHêKHúKH
LH?LH*LH:LHJLHZLHjL

# less ipmon
---
junk
---
23/01/2002 22:43:58.707569              ex0 @0:27 b 212.93.133.152,2065
-> 193.226.59.5,22 PR tcp len 20 60 -S IN
23/01/2002 22:43:58.707589              ex0 @0:2 b 212.93.133.152,2066
-> 193.226.59.5,23 PR tcp len 20 60 -S IN
23/01/2002 22:43:58.707650              ex0 @0:28 b 212.93.133.152,2067
-> 193.226.59.5,53 PR tcp len 20 60 -S IN
23/01/2002 22:43:59.025710              ex0 @0:27 b 212.93.133.152,2075
-> 193.226.59.5,22 PR tcp len 20 60 -S IN
23/01/2002 22:43:59.025730              ex0 @0:2 b 212.93.133.152,2076
-> 193.226.59.5,23 PR tcp len 20 60 -S IN
23/01/2002 22:43:59.025742              ex0 @0:28 b 212.93.133.152,2077
-> 193.226.59.5,53 PR tcp len 20 60 -S IN
23/01/2002 22:45:04.951131              ex0 @0:28 b 212.93.133.152,2481
-> 193.226.59.5,53 PR tcp len 20 60 -S IN
23/01/2002 22:45:11.522151              ex0 @0:27 b 212.93.133.152,3164
-> 193.226.59.5,22 PR tcp len 20 60 -S IN
23/01/2002 22:45:11.821126              ex0 @0:27 b 212.93.133.152,3177
-> 193.226.59.5,22 PR tcp len 20 60 -S IN
23/01/2002 22:45:14.426889              ex0 @0:6 b 212.93.133.152,3442
-> 193.226.59.5,6000 PR tcp len 20 60 -S IN
23/01/2002 22:45:14.729419              ex0 @0:6 b 212.93.133.152,3504
-> 193.226.59.5,6000 PR tcp len 20 60 -S IN
23/01/2002 22:45:18.164237              ex0 @0:7 b 212.93.133.152,4065
-> 193.226.59.5,2000 PR tcp len 20 60 -S IN
23/01/2002 22:45:18.249259              ex0 @0:2 b 212.93.133.152,4087
-> 193.226.59.5,23 PR tcp len 20 60 -S IN
(END)


# uname -a
NetBSD kefren.netbsd.ro 1.5ZA NetBSD 1.5ZA (Kefren) #0: Sat Jan 19
17:31:18 EET 2002
mihai@kefren.netbsd.ro:/usr/src/sys/arch/i386/compile/Kefren i386


Cheers,
Mihai