Re: massive Probleme mit loop-Netzwerk
Christian Frommeyer <debian@frommeyer.name> writes:
> Ansonsten: Deine Routen passen schon oder?
Hm, hier die Ausgabe von route -n (IP-Adresse zensiert):
Kernel IP Routentabelle
Ziel Router Genmask Flags Metric Ref Use Iface
xx.xx.xx.xx 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0
192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
0.0.0.0 0.0.0.0 0.0.0.0 U 0 0 0 ppp0
> ich hab mal ein strace von ping localhost gemacht. Bei mir schlägt er da
> in /etc/host.conf nach und schaut dann in die /etc/hosts.
> Schau doch mal was da bei Dir passiert.
Ja, gut, habe ich gemacht, aber leider kann ich mit der Ausgabe von
strace nicht viel anfangen.
Sie ist zwar etwas länglich, aber vielleicht sagt sie Dir ja was.
Ich muss auch anmerken, dass ein "ping localhost" bei mir durchaus
funktioniert, im Gegensatz zu "host localhost".
--- begin "strace ping localhost" ---
execve("/bin/ping", ["ping", "localhost"], [/* 22 vars */]) = 0
uname({sys="Linux", node="trick", ...}) = 0
brk(0) = 0x8063000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=41754, ...}) = 0
old_mmap(NULL, 41754, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f73000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/tls/libresolv.so.2", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\200$\0"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=67364, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f72000
old_mmap(NULL, 75880, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7f5f000
old_mmap(0xb7f6e000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xf000) = 0xb7f6e000
old_mmap(0xb7f70000, 6248, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7f70000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/tls/libc.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\320O\1"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1266800, ...}) = 0
old_mmap(NULL, 1272764, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7e28000
old_mmap(0xb7f55000, 32768, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x12d000) = 0xb7f55000
old_mmap(0xb7f5d000, 7100, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7f5d000
close(3) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7e27000
mprotect(0xb7f55000, 20480, PROT_READ) = 0
set_thread_area({entry_number:-1 -> 6, base_addr:0xb7e276c0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
munmap(0xb7f73000, 41754) = 0
socket(PF_INET, SOCK_RAW, IPPROTO_ICMP) = -1 EPERM (Operation not permitted)
getuid32() = 1000
setuid32(1000) = 0
brk(0) = 0x8063000
brk(0x8084000) = 0x8084000
gettimeofday({1141309028, 831236}, NULL) = 0
getpid() = 7396
open("/etc/resolv.conf", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=52, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f7d000
read(3, "nameserver 195.50.140.252\nnamese"..., 4096) = 52
read(3, "", 4096) = 0
close(3) = 0
munmap(0xb7f7d000, 4096) = 0
uname({sys="Linux", node="trick", ...}) = 0
socket(PF_FILE, SOCK_STREAM, 0) = 3
fcntl64(3, F_GETFL) = 0x2 (flags O_RDWR)
fcntl64(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0
connect(3, {sa_family=AF_FILE, path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory)
close(3) = 0
socket(PF_FILE, SOCK_STREAM, 0) = 3
fcntl64(3, F_GETFL) = 0x2 (flags O_RDWR)
fcntl64(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0
connect(3, {sa_family=AF_FILE, path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory)
close(3) = 0
open("/etc/nsswitch.conf", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=465, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f7d000
read(3, "# /etc/nsswitch.conf\n#\n# Example"..., 4096) = 465
read(3, "", 4096) = 0
close(3) = 0
munmap(0xb7f7d000, 4096) = 0
open("/etc/ld.so.cache", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=41754, ...}) = 0
old_mmap(NULL, 41754, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f73000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
open("/lib/tls/libnss_files.so.2", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\220\33"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=42472, ...}) = 0
old_mmap(NULL, 45720, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7e1b000
old_mmap(0xb7e25000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x9000) = 0xb7e25000
close(3) = 0
munmap(0xb7f73000, 41754) = 0
open("/etc/host.conf", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=26, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f7d000
read(3, "order hosts,bind\nmulti on\n", 4096) = 26
read(3, "", 4096) = 0
close(3) = 0
munmap(0xb7f7d000, 4096) = 0
open("/etc/hosts", O_RDONLY) = 3
fcntl64(3, F_GETFD) = 0
fcntl64(3, F_SETFD, FD_CLOEXEC) = 0
fstat64(3, {st_mode=S_IFREG|0644, st_size=334, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f7d000
read(3, "127.0.0.1 localhost\n# 84.5"..., 4096) = 334
read(3, "", 4096) = 0
close(3) = 0
munmap(0xb7f7d000, 4096) = 0
socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 3
connect(3, {sa_family=AF_INET, sin_port=htons(1025), sin_addr=inet_addr("127.0.0.1")}, 16) = 0
getsockname(3, {sa_family=AF_INET, sin_port=htons(32803), sin_addr=inet_addr("127.0.0.1")}, [16]) = 0
close(3) = 0
dup(2) = 3
fcntl64(3, F_GETFL) = 0x8001 (flags O_WRONLY|O_LARGEFILE)
close(3) = 0
write(2, "ping: icmp open socket: Operatio"..., 48ping: icmp open socket: Operation not permitted
) = 48
exit_group(2) = ?
--- end "strace ping localhost" ---
> Gruß Chris
Gut, Dir nochmals vielen Dank, wäre echt super, wenn ich das noch
irgendwie retten könnte.
Malte
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