Matthew Szudzik wrote (2010-08-05 19:50:16):
quoted text
>  http://en.wikipedia.org/wiki/IDN_homograph_attack

Try this in a default 4.7/i386 wscons console:
  printf 'set -x\nnslookup www.AAA.com\nnslookup www.AA\300.com\n' > 1
  less 1
  sh 1

See: sys/dev/ic/pcdisplay_chars.c

Remedy:

#!/bin/sh
# Public domain.
wsfontload -N my /usr/share/misc/pcvtfonts/iso8859-1-euro.816
cat > wsfontuse.c << 'Q'
	#include <sys/ioctl.h>
	#include <fcntl.h>
	#include <string.h>
	#include <dev/wscons/wsconsio.h>
	int main(int argc, char **argv)
	{
		struct wsdisplay_font f;
		int d;
		d = open(argv[1], O_RDWR, 0);
		bzero(&f, sizeof f);
		strlcpy(f.name, argv[2], WSFONT_NAME_SIZE);
		if (ioctl(d, WSDISPLAYIO_USEFONT, &f) == -1)
			return 1;
		return 0;
	}
Q
cc -o wsfontuse wsfontuse.c
for i in /dev/ttyC*; do ./wsfontuse $i my; done